Description Length: approx.158mm. Diameter: approx. 25mm. Rated voltage: 100V-240V. Battery voltage: 9V-12VDC. No load speed: 3000-18000RPM. Imported from CHINA Length: approx.158mm Diameter: approx. 25mm Rated voltage: 100V-240V Battery voltage: 9V-12VDC No load speed: 3000-18000RPM Personalize your sporting gear, children's toys, gift, tools etc. Everlasting message on gifts and trophies. Security identification on valuable appliance. It is a good tool for…