Feature: 1. SAFE TO USE: Drill bit sharpener is suitable for all bits, which can safely and efficiently repair incisive edges, say goodbye to dull drill bit pain 2. 19 SIZES: Suitable for the maintenance of 130° twist drill bits, the drill bit sharpener is suitable for the repair of 1/8in‑15/32in drill bits 3. EASY TO USE: The design of this drill bit sharpener is very friendly to beginners. Even if you have not done similar work, you can safely and quickly restore the drill bit to factory accuracy 4. MAKE DRILLS MORE ACCURATE: The drill bit positioning plate will control the angle for you, and you only need to control the strength without using too much force; eliminating the experience and safety hazards required for traditional drill bit sharpening 5. TECHNICAL PARAMETERS: Drill bit sharpener rated power for 95W, rated speed is 1350rpm, bring clear control, equipped with non slip pad, stereo exhaust Specification: Item Type: Drill Bit Sharpener Material: ABS Rated Power: 95W Rated Speed: 1350rpm Applicable Drill Bit Diameter: Approx. 3-12mm / 0.12-0.47in Application: For Grinding Common Twist Drills: Approx. 3mm / 0.12in, 3.5mm / 0.14in, 4mm / 0.16in, 4.5mm / 0.18in, 5mm / 0.2in, 5.5mm / 0.22in, 6mm / 0.24in, 6.5mm / 0.26in, 7mm / 0.28in, 7.5mm / 0.3in, 8mm / 0.31in, 8.5mm / 0.33in, 9mm / 0.35in, 9.5mm / 0.37in, 10mm / 0.39in, 10.5mm / 0.41in, 11mm / 0.43in, 11.5mm / 0.45in, 12mm / 0.47in Features: Clear control, 19 holes, non skid foot pad, three dimensional air vent. Package List: 1 x Drill Bit Sharpener