With its simple installation process and the Secure Holders design, this drill accessory helps deliver stable operation, reduces errors, and improves accuracy. It also helps extend the life of your drill. Drill Bit Sharpener: a multifunctional 12-in-1 tool that boosts efficiency by providing precise sharpening for drill bits in the 3 mm to 12 mm range, making it an essential accessory for all bit holders. Durable construction: this sharpening accessory is made from sturdy ABS material and offers fatigue resistance and excellent insulation properties to ensure stable performance and safety during use. Versatile and portable: perfect for homes, garages, workshops, or job sites. Its convenient, lightweight design enables easy portability and storage, ensuring you have sharpening capability wherever you go. Use scenarios - Home workshop: quickly sharpen dull drill bits for wood and metal projects, maintaining edge quality and improving drilling accuracy during repairs and DIY tasks. - Garage or workshop: perform regular maintenance on drill bits (3 mm to 12 mm) to support cabinetry, metalwork, or framing projects with reliable performance. - On the job site: take sharpening capability with you to reduce downtime, keep bits ready for use, and maintain consistent cutting performance in a portable setup.