shape of each file is coated with industrial diamonds to cover a full range of shaping, forming, engraving, carving and material removal. The rubber handles fit your hands perfectly, helping you stay comfortable during long and tedious projects. All of these files are widely used for removing, refining, reshaping and scraping projects for filing wood, stone, metal, glass, plastic, models, jewelry, DIY and more. Colour:As Shown Material:Metal Specification:B: semicircle Package Contents: 1 set x diamond file Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.