This is for One Fine Diamond Chisel 4 Prong 3.5MM The moment when these elite chisels touch your fingers, you will be sold. Made from stainless steel featuring a flat style handle that provides a solid grip with every punch. If you regularly handstitch your projects, these top of the line chisels are a must for your custom projects. These are your best choice, especially for that desired tight stitch appearance. The silver chisel measure the millimeters from point to point. This chisel gets 7 stiches per inch.