Draper 34065 Engineers Precision Square
Expert Quality, made with solid steel stock with a hardened, tempered and finely polished blade.
Manufactured to BS 939 Workshop Grade B for squareness tolerance only.
Solid steel stocks with hardened, tempered and finely polished blades.
The squareness of the blade edges and the stock working face falls within ±0.016mm/0.0064" tolerance.