Features: Fit for diamond grinding disk wheel with 3/8-inch (10mm) arbor hole Package: Including one disk holder,one pin wrench and one open ended wrench. Application: Used for machining surfaces, jewellery, handicrafts. Suitable for ultra-fine grinding, engraving, polishing, etc.. Versatile Use: Professional fittings drill rotary tool. The drill can meet the electric drill grinding, tiles cutting, wood and metal polishing. (Need to self-purchase grinding plate). Notice: Pay attention to tighten the plate to prevent cutting piece flying out. Do not stand beside., Manufacturer: Sourcingmap