Handling Comfort: Drill sharpener is well designed for easy operation Non-slip rubber feet for stability Adjustable guide, Adjustable cutter head angle: 15~50 , to meet each kind of tool. The initial use requires multiple adjustments and calibrations. Please follow the instructions carefully. Exclusively customized Replaceable industrial-strength diamond sharpening wheel 180 and 360 grinding wheels. 220V AC Multi sharpener is suit for most tools in the home that needs to be polished. Pls don't change the black 2 plug. We have 3 plug in the package. Quick, Simple, Safe and Easy-to-use: Sharpen knives like a pro in the comfort of your home-3 Detachable grinding head design is suitable for a variety of knives, scissors, kitchen knives, chisels, drill Bits, Twist bits, etc. Sharpen Multiple Typles of Drill Bits: Diamond Grinding Wheel Suitable for cobalt bit, stainless steel bit, High hardness bit. High-speed steel drill sharpener. Drill diameter: 3-13mm. Chisel and plane blade width6-51mm. Max. wheel diameter: 56mm 30 Days Support Return: warranty for 3 months, if there is any problem about sharpening machine, please contact customer service. is dedicated to creating quality tools with quality components & backing them with the best customer support you'll ever get, Multi-function Electric Drill Bit Sharpener makes your work enjoyable and fun