Gem Faceting Machine Jewelry Polisher Jade Flat Grinder 1800RPM Gemstone Polishing Tools ,Easy to Use

Stepless speed regulation Can be assembled: inner hole 12.7mm diameter: 6 inches -7 inches (150-180mm) Machine size: about length 40cmx width 20cmx total height about 32cm Packing size: 46.5x39x23.5 weight: 10kg Note: The randomly distributed power adapter can be connected to AC, and the power adapter will transform and output 24V DC.The 24V DC power is supplied to the motor and lighting through the power switch.Effectively prevent the danger of high voltage leakage.