Aiskaer White Steel 4mm 1/2/4/6 Prong DIY Diamond Lacing Stitching Chisel Set Leather Craft Kits (4mm) Made of white steel, is durable and useful leather craft tool Each product surfaces are coated with a rust preventive oil before shipping, Please wipe clean before use Polished and smooth handle is comfortable to hold,sharp rhombus tooth is helpful to punch quickly and effortlessly Prong width:Approx 2mm, Prong pitch:Approx 4mm Package: 1 Prong/ 2 Prong/ 4 Prong/ 6 Prong Aiskaer White Steel 4mm 1/2/4/6 Prong DIY Diamond Lacing Stitching Chisel Set Leather Craft Kits (4mm) 1. Made of white steel, is durable and useful leather craft tool 2. Four sizes 1/2/4/6 prong for choosing, easy and convenient to use 3. With anti-slip handles, they are more exquisite, sharp, and hardness enhance 4. Widely use in punch holes in a precise diamond shape that is optimal for stitching leather 5. It is better to use the tool with soft pad to protect sharp chise teeth as it is expendable The 1 Prong is mainly used for bending of the leather right angles, or to use when it is perforated on leather alone to use. The 2 Prong is usually used for bending of leather curves or to make leather of small pieces. The 4 Prong is used for the straight line drill of the leather. It is widely used The 6 Prong can be used in playing a straight line, it can hit six holes and is efficient