Annic Set of 4 Professional Handle Stainless Steel Leather Craft Punch Tool Kit Chisel Hole 1 2 4 6 Premium stainless steel material, durable and useful leather craft tool. Prong width: approx 2.5mm, prong pitch: approx 3mm. It can stamp holes evenly into leathercraft. Tool kit includes 4 different sizes. Easy and convenient to use, good tool for DIY.