The Drill Bit Sharpener features a 19 hole multiple hole design (3.5-12.5mm) to restores various drill bit efficiently, extending tool lifespans while maintaining cutting precisions Perfect for sharpening dull bit during home renovations, metalworking tasks, or construction projects where immediate tool optimization is important Its universals 100type angled grinder attachment ensures quick installation, enabling seamlessly transitioning between drilling operations and bit sharpening workflows without downtimes Ideal for DIYer enthusiasts, professional technicians, and woodworkers requiring frequent drill bit maintenance in workshops or on site projects Crafted with ABS, this portable sharpening tool boasts a compact structure with hole size for accurate bit selection and angled grinder compatibility, Manufacturer: Zeizafa