Characteristic: 1. 2. It can also be used do other tools such as kitchen knives, etc. 3. No professional ani knowledge skills are required, so you can sharpen and grind two drill bits at the same time. 4. DURABLE MATERIAL: The sharpener is made of the highest quality nylon, grinding disc and iron material. Grinding wheel is wear-resistant and not easy do deformation. 5. COMPACT DESIGN: Lightweight and compact, easy do store, carry or transport. It makes a great gift for husbands, fathers, and crafters. Specification: Material: nylon, grinding wheel, iron Weight: ok. 150 g / 5,3 oz Product Size: ok. 10,5 x 2,5 x 6,5 cm / 4,1 x 1,0 x 2,6 inches Drill diameter 8-16: ok. 1,5 x 6 cm / 0,6 x 2,4 inches Drill diameter 4-8: ok. 1,5 x 4 cm / 0,6 x 1,6 inches Drill diameter 2-4: ok. 1,5 x 3 cm / 0,6 x 1,2 inches Colour orange List of packages:   3 x Accessory