1.quick release pin , safety pin , spring pin :DIN,SAE standand 2.ccc.ISO,TS ... certificate 3.OEM 4.Extensive use quick release pin , safety pin , spring pin 1) C-1144 stress-proof steel.2 ... ).4) Black powder-coated enamel pin.5) Red vinyl dipped handle.6) Supplied with hair pin clip.Lynch lock pins also ... produce according to your drawing or sample. quick release pin , safety pin , spring pin