The Maun Stationers Punch will punch up to 25 sheets of 80g/m paper in one operation, providing a clean punch every time, even when piercing multiple sheets of paper. No more punch jamming in the pierced hole. Built to last, with a robust construction and rust-proof finish, this precision-ground punch is case hardened to HRC 57. The punch and handles are zinc plated, with detailing on handles for added grip. Fitted with a return spring for easy operation, and made in England. Specification Punch Diameter 6.4mm (1/4in). Jaw Length 32mm (1.1/4in). Overall Length 200mm (8.1/4in).