high quality double plastic gear material:pom,nylon size:M1*28T*2H+9T moq:3000pcs certification:ISO9001,SGS,CE and so on high quality double plastic gear material:pom,nylonsize:M1*28T*2H+9Tmoq:3000pcscertification:ISO9001,SGS,CE and so on Materialpom,Delrin,nylon(PA46,PA66), and so onSizeAs you designColorNature or as your requestShapeAs we showUsetoys,machine and so onSample timeAccording to the ...