Item Type: Drill Bit Sharpener Material: Corundum Grinding Wheel Color: Orange Function: A quick and easy way to sharpen drills Weight: Approx. 184g / 6.5oz Product Size: Approx. 2mm-5mm / 5/64in -13-64in, 5mm-8mm / 7/32in -21/64in, 8mm-12.5mm / 11/32in-1 / 2in Package List 1 x Drill Grinder 1 x Circlip 2 x Wrench Tool 3 x Grindstone After use, place it in a dry and clean place. Do not use it with irritating chemicals, otherwise the service life may be shortened. 1Use electric drill power drive to sharpen drill bit, improve its working performance. 2Mainly used for grinding iron drills, other highhardness drills are not suitable for use. 3Using corundum grinding wheel material, wear resistance, improve drill bit rate. 4Good grinding and sharpening effect, simple structure, durable and longterm use. 5It is an excellent tool for sharpening drills, easy to operate, safe and efficient.