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Aluminium Safety Straight Edges

A Maun aluminium safety straight edge is a lightweight cutting guide with a recessed finger-protection profile, non-slip foam-rubber backing and a bevelled working edge accurate to 0.001 inch per foot (0.084 mm per metre). It comes in ten metric lengths from 300 to 3000 mm and is UK-made.

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Aluminium Safety Straight Edges

Which Aluminium Safety Straight Edge Do I Need?

Pick a length that lets you finish the mark, score or cut without moving the tool. The range starts at 300 mm for bench and craft work, runs through 1000 and 1500 mm, and extends to 2000 and 3000 mm for large sheets, panels and long materials. If finger protection during cutting, non-slip positioning or low weight matter most, choose the Maun Aluminium Safety Straight Edge. If edge durability, precision marking or practical engineering straightness checks matter most, choose a Maun Steel Straight Edge.

Aluminium Safety Straight Edge Size Guide

All ten lengths at a glance. Every size has the same 40 × 10.5 mm profile, recessed finger protection, non-slip foam-rubber backing and a bevelled working edge accurate to 0.001 inch per foot (0.084 mm per metre).

ProductLengthStraightness over the full lengthBest forPrice
Maun Aluminium Safety Straight Edge 300 mm (1710-030)300 mm (11.8 in)within 0.025 mm over the full 300 mmModel parts, card, decals, small glass pieces£26.00
Maun Aluminium Safety Straight Edge 500 mm (1710-050)500 mm (19.7 in)within 0.042 mm over the full 500 mmMount board, decals, small sign panels£29.00
Maun Aluminium Safety Straight Edge 600 mm (1710-060)600 mm (23.6 in)within 0.05 mm over the full 600 mmBoards, sign faces, wallpaper, bag panels£32.00
Maun Aluminium Safety Straight Edge 800 mm (1710-080)800 mm (31.5 in)within 0.067 mm over the full 800 mmModel bases, display boards, film, flooring pieces£39.00
Maun Aluminium Safety Straight Edge 1000 mm (1710-100)1000 mm (39.4 in)within 0.084 mm over the full 1000 mmMetre-wide sheet, laminate, wallpaper, glass£45.00
Maun Aluminium Safety Straight Edge 1250 mm (1710-125)1250 mm (49.2 in)within 0.105 mm over the full 1250 mm8 × 4 ft boards, wide vinyl, panes over 1 m£75.00
Maun Aluminium Safety Straight Edge 1500 mm (1710-150)1500 mm (59.1 in)within 0.126 mm over the full 1500 mmLarge graphics, flooring, worktop laminate£108.00
Maun Aluminium Safety Straight Edge 1850 mm (1710-185)1850 mm (72.8 in)within 0.155 mm over the full 1850 mmLong sheets and panels beyond the steel range£113.00
Maun Aluminium Safety Straight Edge 2000 mm (1710-200)2000 mm (78.7 in)accurate to 0.001 inch per foot (0.084 mm per metre)Two-metre sheets, 2 m vinyl flooring, sign panels£119.00
Maun Aluminium Safety Straight Edge 3000 mm (1710-300)3000 mm (118.1 in)accurate to 0.001 inch per foot (0.084 mm per metre)Three-metre sheets, wraps, 3 m flooring rolls£140.00

About Maun aluminium safety straight edges

Long, straight, accurate cuts need control, and protection for the hand that holds the guide. A Maun aluminium safety straight edge gives you both. The working edge is accurate to 0.001 inch per foot (0.084 mm per metre). A recessed profile keeps your fingers clear of the blade, non-slip foam-rubber backing stops the edge sliding, and a bevelled working edge keeps your line in view. Lightweight extruded aluminium makes even the longest sizes easy to position across large sheets and panels.

Choose metric lengths from 300 mm to 3000 mm. Shorter lengths suit bench work and crafts. The 1.5 m, 2 m and 3 m straight edges let you work across large sheets, panels, flooring, film and other long materials without stopping to reposition the tool.

Designed for safer cutting and scoring

A plain rule gives your hand little protection from a knife running along its edge. The Maun aluminium safety straight edge does things differently. Its profile lets you place your fingers safely in a recess, well away from the cutting edge. Foam-rubber backing helps stop the straight edge moving while you cut or score, and the bevel keeps the working line visible.

That makes it the right tool when a straight edge is guiding a blade or scoring tool, not simply acting as a reference for marking or checking straightness.

What they’re used for

Manufacturing & Engineering

When cutting, scoring or laying out sheet materials calls for a long, lightweight guide, and protection for your steadying hand, reach for a Maun aluminium safety straight edge.

  • Typical applications include sheet material, laminate, vinyl and glass.
Cutting and scoring sheet materials

Set the straight edge along the cut or score line and hold it by the recessed profile. Your fingers stay protected, well away from the cutting edge. The foam-rubber backing helps hold the edge in position on smooth surfaces as the cutting tool travels along it.

Marking out large sheets

For layout work on sheet materials, the bevelled working edge gives you a clear sight line for marking. With lengths up to 3000 mm, the range takes over where the Maun steel range stops, at 1750 mm.

Trimming laminate, veneer and sheet

Use the straight edge as a long guide when trimming laminate, veneer and other sheet materials to size. Lightweight aluminium makes the longer sizes easy to position, and once the edge is set, the foam-rubber backing helps keep it there.

Cutting vinyl and flooring materials

A long edge, a protected hand position and non-slip backing make the aluminium safety straight edge well suited to cutting vinyl flooring and similar materials. The longer versions mean no stopping to reposition a shorter rule halfway through a long cut.

Scoring sheet glass

The Maun aluminium safety straight edge is suitable for scoring sheet glass. The foam-rubber backing helps the tool stay put on the smooth surface. And with the fingers of your steadying hand in the recessed profile, they’re protected should the tool slip during scoring.

Right tool, right job

Choose the aluminium safety straight edge when safer cutting or scoring, low weight and long lengths are your priorities. Don’t choose it if your main need is inspecting precision straightness or flatness. Aluminium can dent, and its stated accuracy of 0.001 inch per foot (0.084 mm per metre) is intended for marking and cutting, not metrology. For practical engineering straightness checks, the Maun Steel Straight Edge is the better Maun tool. Inspection-grade work needs proper metrology equipment made to DIN 874. For sustained production cutting, where a blade runs against the working edge again and again, a Maun steel straight edge offers better resistance to wear.

Leatherwork

When a knife is running along a straight edge, your steadying hand needs protecting.

  • Place your fingers in the recessed profile of the Maun aluminium safety straight edge and they’re kept clear of the blade.
  • The foam-rubber backing helps hold the guide in position on the leather.
Cutting long straps and blanks

For long cuts across a hide, use the safety straight edge as a continuous guide for the blade. The recessed profile keeps your steadying fingers away from the cutter, and the non-slip backing helps stop the guide shifting as you apply pressure.

Squaring and trimming hides

Use a long aluminium safety straight edge to establish or trim a straight reference edge before cutting straps and other components. Lengths of 1000 mm or more give you a continuous guide across work that would otherwise mean repositioning a shorter rule.

Cutting leather panels, linings and backing materials

For bags, cases and similar leatherwork, the straight edge guides straight-sided cuts through leather, linings and backing materials. The bevelled edge keeps your marked or cut line visible. The recessed profile protects your fingers while you cut. And the non-slip foam backing helps hold the straight edge against the material.

Aluminium or steel for leatherwork?

Choose the aluminium safety straight edge when keeping your hand away from the blade and controlling the guide are the priorities. Choose the Maun Steel Straight Edge for repeated heavy knife work, where the durability of the edge matters more, and where you have the experience to keep your hand clear of the blade.

Model Making, Crafting & Hobby Work

For cutting card, sheet plastic and modelling materials, the aluminium safety straight edge gives you an accurate guide plus two useful safety features: a recessed finger position and non-slip backing.

  • The 300 to 800 mm sizes are ideal for bench-based work.
Cutting card, mount board and foam board

Use the straight edge to guide your cuts through card, mount board and foam board for models and displays. The recessed profile keeps your steadying fingers away from the cutting edge, and the foam backing helps stop the guide skating across the work surface.

Trimming paper, film and vinyl

For craft work on a cutting mat, the safety straight edge guides straight trimming cuts through paper, film and vinyl. The foam backing adds grip, and the recessed profile keeps your fingers safely clear of the blade path.

Scoring and cutting sheet

Use a Maun aluminium safety straight edge when scoring and snapping styrene and acrylic sheet, or cutting balsa and plywood sheet. The working edge is accurate to 0.001 inch per foot (0.084 mm per metre). It suits hobby and modelling work wherever the material and cutting method are right for a straight cutting guide. And if the scoring tool or knife slips, the safety profile protects your fingers.

Sign Making

Trimming vinyl, films and lightweight sheet calls for a long, continuous reference for the cut, and a safe place for your steadying hand, away from the blade line.

  • The Maun range runs to 3000 mm, so you can work long panels and materials without repeatedly repositioning a shorter edge.
Cutting self-adhesive vinyl

Use the straight edge to guide cuts through self-adhesive vinyl on a panel or work surface. The foam-rubber backing helps it resist movement during the cut, and the recessed profile gives your steadying hand a protected position.

Trimming film and laminate

For printed film and laminate, the longer straight edges give you one continuous trimming line across larger pieces. No second alignment point just because the guide was shorter than the material.

Working across large panels

For larger aluminium, acrylic and other panels, the 1.5 m, 2 m and 3 m sizes give you a lightweight, long reference for accurate marking and suitable cutting work. The stated accuracy of 0.001 inch per foot (0.084 mm per metre) keeps your lines true, and the safety features protect your hands while you work.

When another cutting edge is better

For high-volume production trimming, with a blade constantly running against the edge, choose a system built for that duty, with a wear-resistant cutting edge. The Maun aluminium safety straight edge is designed as a lightweight safety guide for marking, scoring and cutting. Maun steel straight edges are more durable, and better suited to volume production in skilled hands.

Specifications

Lengths300, 500, 600, 800, 1000, 1250, 1500, 1850, 2000 and 3000 mm
Bodysilver-anodised extruded aluminium, 40 × 10.5 mm
Working edgebevelled
Accuracy0.001 inch per foot (0.084 mm per metre)
Safetyrecessed finger-protection profile; non-slip foam-rubber backing
Storage6 mm hanging hole
MadeUK-made, under our ISO 9001 quality system
WarrantyStandard 12 months’ warranty. Register your tool to extend this to 2 years.

UK-made. Built to last.

6 mm hanging hole40 mm widerecessed finger channelnon-slip foam backing300 to 3000 mmBevelled working edge, full lengthaccurate to 0.001 in per foot (0.084 mm per metre)Extruded aluminium, 40 × 10.5 mm. Channel shape schematic until Maun’s photos arrive.

Maun has been making dependable hand tools since 1944. Every aluminium safety straight edge is UK-made, under our ISO 9001 quality system. Standard 12 months’ warranty. Register your tool to extend this to 2 years.

Choose your Maun Aluminium Safety Straight Edge. Match the length to the job and get a lightweight, non-slip precision guide that protects your fingers every time you cut.

Frequently Asked Questions

What is an aluminium safety straight edge used for?

An aluminium safety straight edge is a straight guide made for accurate marking, scoring and cutting. Applications include scoring sheet glass, wallpapering, cutting vinyl flooring, leathercraft, sign making, model making and handicrafts.

How does a safety straight edge protect your fingers?

You hold the straight edge with your fingers in its recessed area. That keeps them below and away from the blade path.

What stops the straight edge slipping during a cut?

Non-slip foam-rubber backing helps hold it in position on the workpiece. That’s especially useful on smooth surfaces and materials, where any movement during scoring or cutting can spoil the line.

Is an aluminium straight edge suitable for checking flatness?

No. Maun aluminium safety straight edges are made for cutting and marking. For practical engineering straightness checks, the Maun Steel Straight Edge is the better Maun tool. For inspection-grade work, use a DIN 874 standard straight edge and a formal inspection process, at a considerably higher price.

Can I get a 2 m or 3 m straight edge?

Yes. The Maun Aluminium Safety Straight Edge range includes 2000 mm and 3000 mm lengths. Both go beyond the Maun steel range, which stops at 1750 mm (metric) or 72 inches (Imperial).

Last updated 11 November 2026

Content reviewed by Rebekah Jackson, Digital Marketing Executive at Maun Industries Limited, formerly on Maun’s production team, on 21 October 2026. We last checked prices and stock against maunindustries.com on 11 November 2026.