Pin Punches – Heavy Duty [No. 256P] • Single piece construction with hexagonal shank. • Single piece construction imparts additional durability to the punch. • Working ends are accurately ground and the punch body is in premium powder coated finish. • High quality carbon steel accurately hardened and tempered so that the Pin will withstand continuous use and the striking end will not splinter. Diameter of Pin: 7/32 inch (5.5mm) Stock Size: 3/8 inch (10mm) Overall Length: 5-1/2 inch (138mm)