Versatile drill bit sharpening set: threepiece kit offers multispecification grinding for a range of drill bit sizes, helping you maintain sharp edges on speed steel and cobalt drills. Ideal for travel or onsite use, so your tools perform at their when you need them. Longlasting construction: built with ABS plastic that provides fatigue resistance and insulation. Designed to withstand frequent use in diverse work environments, delivering reliable performance and extended longevity for your grinding tasks. Portable and compact: measures 11 x 12 x 5 cm and is lightweight, making it easy to carry and store in your toolbox. Simple to use on the job without requiring special skills or expertise. Easy angle adjustment: attach to your grinder and adjust the sharpening angle with userfriendly notches to fit different drill bit sizes. Enables quick, efficient sharpening to restore cutting performance. Practical use scenarios: onsite maintenance for metalworking or woodworking projects, field service where space and portability matter, and DIY tasks in a home where quick bit refreshment keeps projects moving.