sharpening machine for right and left-hand drills with 2-3 cutting edges, in hss and hard metal - negative web thinning - sharpening capacity from mm. 0,5 to 16 mm (with option up to 20 mm.) - rapid, precise, self-centeri......sharpening machine for right and left-hand drills with 2-3 cutting edges, in hss and hard metal - negative web thinning - sharpening capacity from mm. 0,5 to 16 mm (with option up to 20 mm.) - rapid, precise, self-centering in 3+3 rakes accessories supplied include: 16x optical projector with optic fiber lighting, two precision spindles to clamp the drill, 10 collets, halogen lamp, 3 grinding wheels, etc.