Boost your bench grinder's efficiency with our 'Draper Drill Grinding Attachment'. Specially designed for quick and precise sharpening of HSS twist drills ranging from 3mm to 19mm or 1/8 - 3/4" diameters, this attachment guarantees professional outcomes every time. Comprised of a sturdy diecast body, it comes pre-configured with notches at 41, 49, 59, 68, and 88 degrees, catering to your varied tip angle needs. Enhance your tool's performance and longevity with the Draper Drill Grinding Attachment.