high quality motorcycle screw: 2)Material:steel,stainless steel, 3)Surface:zinc(white,blue,yellow,black) 4)Size:M2 to M12mm high quality ... , UNC, JIS, BS, BSW, ISO3. Production Description: 1) Color: Gold, Blue, Purple, Green, Ti natual etc 2) Size:M3~32 Or ... clients from domestic and overseas markets.If clients are interested in our products or have any requirements,please feel free to ...