... and Carving Machine 2. The power is Large and Energy-efficient 3.Positional accuracy is hig. Ultrasonic jewel carving machineVoltage:220VPower ... : 4800WWorking frequency:15kHz-20kHz Function:it is specialized in carving 1. suitable for processing jades, crystals, agates, glasses ... 2,The maximum size of the carving head is 180#,can use for carving products under 17cm.3, overload, overcurrent ...