Item:Precision shaft,Metal pin Size:7*19.4*M3 Material:steel,brass,aluminum etc Finish:Zinc plated,plain,chrome,black,polish Item:Precision shaftSize:7*19.4*M3Thread :M3Material:stainless steel,cold rolled steel,brass,aluminum and other material availableFinish:zinc plated,plain,chrome,black,polish etcCertification:ISO9001 Metal pin