Designed to restore the sharpness of drill bits ranging from 2.5 mm to 10 mm in diameter. It features a 118-degree point angle and is compatible with drills that have a spindle collar diameter of 43 mm. Ideal for use at speeds between 2,000 and 3,000 rpm, this sharpener helps maintain drill bit performance for improved precision and longevity. Its compact design makes it easy to attach to your drill, ensuring quick and efficient sharpening.