... :plastic,ABS,PP Square size:100*70mm Round size:105mm rubber gear, plastic gear, gearMaterial:plastic,ABS,PPColor:any color is ... Manufacturer has several years' history of manufacturing duct fittings, flange corners, flange clamps, air outlet accessories, ventilation equipment and others. If ... ,pls do not hesitate to contect us. Black round plastic rubber gear,plastic gear