Jewelry Pneumatic Engraving Machine 400-8000 Rpm Adjustable Speed Pneumatic Hand Engraving Machines 220V 50Hz Pneumatic Graver Handpiece with Double-head for Jewelry, Crafts and Wrought Iron Precise Pressure Gauge Adjustable Speed Additional Filter Well-Selected Material Multifunctional Control Panel Wide Application Adjustable Speed: 400-8000 RPM,Gross Weight: 17.64 lbs / 8 kg,Model: HH-G01,Frequency: 50-60 Hz,Adjustable Pressure Range: 0-4 kg/cm²,Power Supply: 100-240V,Product Size: 11.8 x 5.5 x 8.7 in / 30 x 14 x 22 cm,Package Size: 14.2 x 11 x 11.4 in / 36 x 28 x 29 cm
