Thank you for viewing this product from among many others. Black diamond chisels, 4mm, 1/2/4/6 teeth, set of 4. These are essential tools for making stitching holes in leather. Pitch widths are available in the basic 3mm and the versatile 4mm. This is a recommended product that allows you to easily create beautiful holes. <Size> Body length (approx.): 102mm Pitch spacing (approx.): 4mm Tooth width (approx.): 2mm If you would like 3mm, please feel free to contact us before payment. <Shipping> We will ship via Mercari's reliable shipping service. As this is an anonymous transaction and shipping, you can trade with peace of mind. #DiamondChisel #Leathercraft #Leatherwork #AnonymousTransaction #AnonymousShipping #ReliableMercariShipping