Stone Pneumatic Engraving Machine Free Shipping A01

1. Size: 175mm*35mm

2. Air consumption: 0.1m3/min

3. Number of impacts: 5500BPM

4. Air pressure: 70-95Pal

5. 2 type: type 1 is only Stone Pneumatic Engraving Machine, and type 2 is with 6 pieces Alloy knife and 100 pieces springs.