VEVOR Drill Bits Sharpener, MR-13A End Mill Grinder Sharpener 3-13mm, 95° to 135° Point Angle Adjustable Drill Bit Re-Sharpener, Portable Bits Sharpening Machine with 11 Collets, CBN Wheel for HSS Adjustable Point Angle Durable Grinding Wheel Powerful & Stable Performance Effortless Operation 11 Standard Collets Multi Purpose Use Applicable Drill Bit Diameter: ф3-ф13mm,Item Material: 45# Steel,Adjustable Point Angle: 95° - 135°,Running Speed: 4500 RPM,Item Model Number: MR-13A,Rated Power: 120W,Product Dimensions: 11.2'' x 5.3'' x 6.3'' / 285 x 135 x 160 mm,Net Weight: 18.3 lbs / 8.3 kg