precision crown gear 1.material:POM,nylon,PA66,PP,PC . 2.Modulus:0.5-1.5 3.Tolerance:+/-0.01mm 4.certification:ISO9001:2008 plastic spur gears for toysWe can produce gears, worms,worm gears ,gear boxes, worm, worm wheel.Briefly description:Type:crown gearcolour: pom white colourcertification:ISO9001:2008moq:5000pcspacking : with polybag in carton box or as per customers' requestProduce as ...