General Tools 825 Drill Grinding Attachment empowers you with the ability to sharpen your own drill bits, saving you time and money. Its sturdy build and compatibility with most grinding machines make it a versatile tool for any workshop. The attachment provides precise point angles ranging from 41° to 88°, catering to various materials like thin sheets, hard metals, and soft materials like copper or wood. Achieve accurate sharpening with the adjustable lip rest that ensures proper overhang.