- Hardened stainless steel with matt chrome-plated surface for anti-glare reading.
- Graduated in millimetres along the upper edge and half millimetres on the lower edge and decimetre figures in red.
- Tolerance of ±0.3mm.
- Reverse side is blank.
- Manufactured in hardened stainless steel for extra durability.
- Length: 1000mm (39in)
- Width: 35mm
- Thickness: 1.5mm