This is a used 200x130mm Fowler machinists square. It has a some chipping at the end of the long side, but otherwise in mint condition.

• Squares have accurate right angles both inside and outside. DIN875

• Made from a single piece of fully seasoned tool steel. 

• Matte finish

• Beams and blades are ground and lapped for straightness and parallelism. Blades beveled both edges of each side.

• Squares fully hardened to Rockwell 55C.

• Packed in individual wooden case

• Designed for layout & measurement work.

• Accuracy = .00008" + Length/100,000 (blade)