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. - 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. SMS01- 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.