Power supply: AC 100 V; Accessories: Chuck x 1 (2.5 - 13 mm); Polishing wheel x 1 (#180); Pre-installed / Grounded 3P to 2P adapter; Tip angle: 118°; Rotation: 12,000 min; Continuous usage time: 15 minutes; Cord length: 1.8 m; Size: 197 (W) x 2 7 (D) x 12 0 (H) mm Weight: 2.4 lbs (1.1 kg); Polishing range: 0.1 - 0.5 inches (2.5 - 13 mm); Can be used with high speed drill (including titanium coating), cobalt high speed drills, carbide drills, and concrete drills. Blade thinning.