HOT-DIP GALVANIZEDWith strong hardness, high corrosion resistance. Chain link fence gate hinges are not easy to rust and have a long life span. Have great performance in outdoor environments. FOR 1-3/8" OD POST/PIPEMale gate post hinge suits for 1-3/8" OUTER DIAMETER post; Female gate frame hinge suits for 1-3/8" OUTER DIAMETER frame; Pin diameter is 5/8". BOLTS & NUTS INCLUDEDPackage contains 5 PCS Male Gate Post Hinge + 4 PCS Female Gate Frame Hinge. No need to buy bolts and nuts separately, one package can meet all of your use needs. APPLICATIONChain Link Fence Gate Hinge Kit works for connecting frames to posts, allowing your gate to easily open and close. EASY INSTALLATIONGate hinge kit complete installation faster and easier, without the need for punching or welding, time saving. NOTEPlease measure the OUTER DIAMETER of your posts in advance before purchasing, and select the appropriate size of the gate post hinges to use.