[High Quality]The Diamond Stitching Chisel Hole Punches Tool are made of high quaily high-carbon steel, which is not easy to rust, more wear-resistant. [Polished Treatment]All prongs' blade edge are fine polishing, more sharp and durable. It is helpful to make them easier to be pulled out of the leather. [Non-slip Design]The handle with non-skid pattern to increase friction, not easy to fall. More stronger and steadier grip. [Application]1 prong and 2 prong are used for over bending curve,4 prong and 6 prong are used for straight line. Different numbers of prong can meet your multiple punching needs. The sharp prong of the leather chisel set is convenient to punch effortlessly and quickly. With black oxide finish, great anti-rust property. Anti-slip handle, more delicate, sharp and more rigid. Prong pitch: 3mm colour: black Material: high carbon steel Package Contents: 4 x 1/2/4/6 Prong diamond cutter Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.