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