1Adopting high density black wood as the material, which makes the burnisher strong and durable 2It's good texture and smooth surface makes it burnish the leather easily 3Unique shape design will allow you to effectively finish tight corners, small holes, slots and difficult reach edges 43 different burnishers for you choose. Slim stick is for burnishing zipper edge and slots. Thick round head stick is for polishing the leather edge. Cube shape is for flesh side of leather 5Ideal for leather edge or flesh side burnishing, zipper card slot grinding, etc