Description: Ideal for cutting through metal, wood and plastic quickly and easily Smooth surface& durable Material: Steel 5/64-15/64(1.98mm-5.95mm) 1/8-11/32(3.175mm-8.73mm) 3/16-17/32(4.76mm-13.5mm) Specification: 5/64-15/64 length: Approx. 46.8mm/ 1.84inch 1/8-11/32 length: Approx. 49.9mm/ 1.96inch 3/16-17/32 length: Approx. 58.9mm/ 2.3inch Shank Diameter: Approx. 6.35mm (1/4'') Package Includes: 1 Set of 3 Pieces Countersink and Deburring Tool Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement