• Ideal for use with any standard bench grinder, the grinding attachment provides quick and precise sharpening of 3-19mm (1/8-3/4") HSS twist drill bits with a 75mm minimum length.• Features an angle gauge with presets at 41° (Countersink), 49°, 59°, 68° and 88°.• Also features a rotating neck which aids grinding both sides of the drill bit.• Perfect for use in any workshop or garage.Ideal for use with any standard bench grinder, the grinding attachment provides quick and precise sharpening of ø3-19mm(1/8-3/4") HSS twist drill bits with a 75mm minimum length. Features an angle gauge with presets at 41° (Countersink), 49°, 59°, 68° and 88°. Also features a rotating neck which aids grinding both sides of the drill bit. Perfect for use in any workshop or garage.• Ideal for use with any standard bench grinder. • Provides quick and precise sharpening of 3-19mm(1/8-3/4") HSS twist drill bits. • Features an angle gauge with presets at 41° (Countersink), 49°, 59°, 68° and 88°. • Also features a rotating neck which aids grinding both sides of the drill bit. • Perfect for use in any workshop or garage. • Model No. SMS01Technical Specification:Angle Adjustment: 41° (Countersink), 49°, 59°, 68°, 88°Minimum Drill Bit Length: 75mmNett Weight: 0.29kgSizes: 3-19mm(1/8-3/4")Dimensions: Length: 45mm x Height: 130mmWeight: 0.5KgWarranty: 1 year