... nylon small gearsMaterialsnylon,PVC,POM,PA,iron,aluminum,steel,copper,plastic,carbon steel,bronze,solder alloy,HSS,tool steels or as ... tester,hardness test and so on.PaymentT/T 50% deposit in advance,50% T/T before shipmentDeliveryaccoding to your qauntitiesYou may ... at once we receive your valued enquiries with detail specification. plastic nylon small gears