Add a professional look to your projects. These 2" (51 mm) diameter slickers are amazing tools for burnishing a smooth polished edge to your projects. Works great for belts and lighter weight projects. Use by hand or adapt to an electric drill for faster results. Single grooved (1/8" - 3.1 mm) Double grooved (1/16" and 1/8" - 1.5 and 3 mm). Every leathercrafter should have one of these in their toolbox.