Feature:, High-performance motor for maximum performance at all speeds, electronic feedback for consistent speed under load, separate on/off switch and speed control dial for the perfect speed every time, quick collet lock for fast accessory changes, cool-running ball bearing construction for smooth and quiet operation.Speed: 0~30000rpm power: 180w cord length: 5ft,, free 30 piece. Titanium/diamond-coated diamond burrs assorted shapes and sizes include: Ball, cone, rounded cylinder, flat top cylinder, tapered and needle point all burrs with a 1/8" shank - compatible with most die grinders or rotary tools and 6pcs hss cutting blade.