Features 1、The grinding wheel drill bit is quick and easy sharpening bit, give you an unique experience. 2、Use a drill bit to rotate 100 grit grindstones, just press the drill bit on it to get a sharp edge. 3、The sharpener is designed for multiple bit sizes, it is absoutely suitable for your need. 4、The Drill Bit Sharpener is mainly used for grinding iron bit, its high‑speed feature will surprise you. 5、Made of brown corundum grinding wheel and plastic, high toughness, can withstand greater pressure. Specification Condition: 100% Brand New Item Type: Drill Bit Sharpener Material: Brown Corundum Grinding Wheel, Plastic Product Size: Approx. 18 x 8 x 3.6cm/7.1 x 3.1 x 1.4in Grinding Size: Approx. 2-12.5mm/5/64-1/2'' Function: Mainly used for grinding iron drill bits Package List 1 x Grinder Sharpener 1 x Wrench 2 x Circlip