... brush pen, brush pot etc. Parameters ModelBig Rotary DeviceSmall Rotary DeviceMin diameter10mm10mmInside diameter10~90mm10~70mmOutside diameter200mm130mmMax length of ... YH-G1490, YH-G1612, YH-G1616.4. Small rotary device is used for YH-G5030Applicable materials:Wood, paper ... tile, crystal, bamboo and other nonmetal materials.Applicable industries:1. Packing printing: paper carton, knitting bag, handbag, ...