Size : 50mm diameter x 7mmWeight : 95gMaterial : Steel with nickel platingDisk design : Palm size, easy to hold, control and see the filing point.Concave file with 600 grit diamond: For fast and easy crowning.UFO 1 Radiuses - 1.1, 1.2, 1.3 and 1.4.UFO 2 Radiuses - 1.5, 1.6, 1.7 and 1.8.Please select..