Description: 7 kinds of specifications, 7 kinds of different uses. Electric grinding time-saving is simple and convenient Attention to the safety of use, speed absolutely can not be too fast as slowly as possible.other motorized tool that accepts to 3mm harded steel shaft. Features: Material: Rosewood Size&Color: As pictures shown Package includes: 5 x Electric grinding head 1 x Pointy electric grinding head 1 x Tapered electric grinding head