●Engraving tool GG 12, available individually ●Includes 1 diamond bit (spherical head, 1.8mm). For operation a mains adapter is required. We recommend MICROMOT mains adapters NG 2/S or NG 2/E. ●Technical data for GG 12: Direct voltage 12V. 20,000rpm. Length 145mm. Weight 50g (without cable).