- Extend the lifespan of your drill bits and reduce costs: Our professional drill sharpener revitalizes dull metal drill bits in seconds. Designed for high-speed steel, carbide, and cobalt bits (2 mm to 16 mm), this drill sharpener restores sharpness, triples tool longevity, and eliminates frequent replacements. BONUS: Includes 4 premium grinding wheels for extended use. - Precision sharpening for metal bits: Equipped with 4 diamond-coated wheels and universal compatibility, this sharpener is optimized for metalworking. It sharpens all types of bits, including twist drills and masonry bits (5/64 inch to 5/8 inch), ensuring factory-quality edges for flawless drilling accuracy. - Ultra-portable and durable: This compact drill sharpener is built for robust usage in workshops. Featuring a solid steel frame and a non-slip base, its compact size (6.3 x 4.7 inches) fits easily in toolboxes, making it ideal for garages, job sites, or mobile repair kits. - Professional durability: Made from heat-resistant industrial-grade alloys, our drill sharpening tool withstands deformation even under heavy use. It is perfect for metalworking, auto repairs, or DIY projects, ensuring stability without compromise. Use scenarios: 1. Revive your worn-out drill bits at home to take on various DIY projects with confidence. 2. Keep your tools sharp on the job site, ensuring efficient and precise drilling for construction tasks. 3. Perfect for automotive repair shops, maintaining drill performance for consistent results in metal fabrication.