Maun · SKU 1700-175

Maun Steel Straight Edge Metric 1750 mm (1700-175)

The longest reach in the Maun metric steel range.

The Maun Steel Straight Edge Metric 1750 mm (1700-175) is a carbon-steel straight edge with a precision-ground bevelled working edge, accurate to 0.001 inch per foot (0.084 mm per metre). UK-made, it’s the longest metric Maun steel straight edge, for full sheets, long frames, machine beds and full hides.

£163.00inc. VAT · £135.83 ex VATIn stock

Length

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1750 mm length gives maximum metric reach across large sheets, frames and hides.
Accurate to 0.001 inch per foot (0.084 mm per metre): within 0.147 mm over the full 1750 mm.
Bevelled working edge gives a clear line of sight across full sheets, machine beds and hides.
Robust 3.25 mm carbon-steel body: reassuringly heavy along the longest metric length.

Best suited to

Full sheets
Long frames
Machine beds

UK-madeMade by Maun

12 months’ warrantyOr 2 years when you register it

Stated accuracy0.084 mm per metre

Product description

This is the longest metric Maun steel straight edge. It gives you a continuous reference across workpieces that would force a shorter edge to be moved. When line continuity and durable tool guidance matter, it’s the clear choice.

Why the Maun Steel Straight Edge Metric 1750 mm (1700-175) works

Accurate work. Less rework.

0.147 mmover the full 1750 mm

Over 1.75 metres, the bevelled working edge stays within 0.147 mm of true.
It’s the longest known reference in the Maun metric steel range: for full sheets, long frames and machine beds.

See the line clearly.

1750 mmof bevelled working edge

The bevel keeps the full 1750 mm line in view.
Mark or cut across the whole workpiece in one pass, without a single reset.

Built for repeated use.

3.25 mmcarbon-steel body

The robust 3.25 mm body gives the 1750 mm substantial, reassuring weight.
It holds steady across full sheets and hides, so the edge stays exactly where you set it.

Best suited to

Manufacturing & Engineering

Choose the Maun Steel Straight Edge Metric 1750 mm (1700-175) for full sheets, long fabricated frames, machine beds, installation work and extended gasket cuts that need the longest reach in the metric steel range.

Its rigid carbon-steel construction gives you a stable reference over 1.75 metres.
The precision bevel keeps the line visible, and the accuracy of 0.001 inch per foot (0.084 mm per metre) supports exact layout and practical checks for bow or misalignment, with minimal repositioning.

Leatherwork

The Maun Steel Straight Edge Metric 1750 mm (1700-175) is the metric choice for full hides, the longest straps and oversized leather panels that should be cut against one continuous guide.

Its weight keeps the material under control, and the wear-resistant bevel pairs a clear knife line with the durability for repeated workshop use.

Specifications

SKU	1700-175
Length	1750 mm (68.9 in)
Body	surface-ground carbon steel, 53 mm wide and 3.25 mm thick
Working edge	precision-ground and bevelled
Accuracy	0.001 inch per foot (0.084 mm per metre)
Straightness over its length	within 0.147 mm over the full 1750 mm
Storage	6 mm hanging hole; supplied in a wallet with anti-rust paper
Made	UK-made, under our ISO 9001 quality system
Warranty	Standard 12 months’ warranty. Register your tool to extend this to 2 years.
Alternatives	1500 mm for slightly easier handling; 72″ for an Imperial equivalent.

The working edge

The bevel runs along the whole of one long edge. You run your scriber or knife against it, so you can see the line as you go.

Frequently Asked Questions

What is a 1750 mm steel straight edge used for?

A 1750 mm steel straight edge gives the longest reach in the Maun metric steel range. Use it for full sheets, long fabricated frames, machine beds, installation work, extended gasket cuts, full hides and oversized leather panels.

What’s the difference between the 1750 mm and the 72″?

The 72″ is 1829 mm, so it’s 79 mm longer than the 1750 mm. Both share the same 53 × 3.25 mm carbon-steel body and bevelled working edge, accurate to 0.001 inch per foot (0.084 mm per metre). Choose by the units you work in, or the length you need.

Is there a Maun steel straight edge longer than 1750 mm?

In metric, 1750 mm is the longest Maun steel straight edge. The Imperial 72″ (1829 mm) is slightly longer. For 1850, 2000 or 3000 mm, choose the Maun Aluminium Safety Straight Edge.

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.

Size check: is 1750 mm long enough?

It’s long enough for the width of an 8 × 4 ft board (1220 mm) in one pass.
It’s too short for the length of an 8 × 4 ft board (2440 mm). For that, choose the Maun Aluminium Safety Straight Edge 3000 mm (1710-300).
One size down is the Maun Steel Straight Edge Imperial 60″ (1701-060).
One size up is the Maun Steel Straight Edge Imperial 72″ (1701-072).

Steel or aluminium: which suits your job?

This straight edge