Size: Total length approximately 15cm Quantity: 1 Number of blades: 11 The process of adjusting the thickness of leather is called leather skiving. When layering leather, the thickness is adjusted in certain areas, such as the folded-over part of a belt buckle. The key to using this is to skive little by little from the edge of the leather. It's recommended to practice on scraps, as applying too much force can result in excessive removal of material.