Don’t muck around with cheap alternatives. Buy tools once! Hand forged carbon steel with polished barrel and a tapered clearance. Used in the making of leather belts and straps. 12.5mm (1/2"): 3mm (1/8") width. 16mm (5/8"): 4mm (5/32") width. 19mm (3/4"): 4mm (5/32") width. 26mm (1"): 5mm (3/16") width.