Ebony(black sandalwood), color: black,Quantity: 10 PCS Burnishing leather edges is a great way to make a leather project look AMAZING.Perfect for rotary tool! Required: 3-3.2 mm Brass Chuck Burnishing can be a pretty time consuming technique, but it's going to be so easy to have stunning results in a couple seconds by using a speed rotary tool with our edge burnishers. Apply saddle soap (or soap) with a wet sponge to the edges that you intend to burnish. This will soften the leather and help to create a smooth surface Pay special attention to the speed of rotation, slowly adjust to the appropriate speed, not quickly adjust to the maximum speed, so as to avoid danger.