Quality made solid steel construction. Hardened tempered and precision polished. Blade edges and stock face to within ±0.016mm tolerance.100mm Precision Steel Square• Quality made solid steel construction.• Hardened tempered and precision polished.• Blade edges and stock face to within ±0.016mm tolerance.• Lifetime guarantee*.• Model No. AK11100Model No: AK11100:Brand: Sealey:Length: 100mm:Nett Weight: 0.12kg:PTDSEAAK11100