Try square Accuracy, 600X300mm

All faces and edges ground. Inspection test faces ground.
Application: For accurate general workshop work.
Accuracy: DIN 875 / 2 − angle tolerance e.g. for size 100×70 = 0.030 mm.
Standard: DIN 875
Stock length: 600×300mm
Right angle tolerance: 0.08 mm
Shank cross-section: 40×8 mm

Internal Reference: 715 W 101.600