Extra Long Pin Punches – Heavy Duty [No. 256P] The extra Long Pin Punches are useful for all applications where added leverage is required. • Manufactured from high quality carbon steel accurately hardened and tempered so that the Pin will withstand continuous use and the striking end will not splinter. • These are induction hardened to ensure consistent hardness and a special tempering process prevents the head from fracturing. Diameter of Pin: 1/4 inch (6mm) Stock Size: 3/8 inch (10mm) Overall Length: 8 inch (200mm)