Feature: Made of Zinc-Plating Steel , very smooth surface, anti-rust, anti-corrosion, strong and durable for long using life. Pin usually lock by open pin, safe and reliable, not easy to break off, it's your effective small assistant, you can flexibly rotate the accessories. The pin is a class of standardized fasteners,it is can be static connected, but also to do relative movement with the connector, it mainly applied for the hinge of two parts, and then constitute a hinge connection. Specifications:Clevis pins length: Head diameter:Head Thickness:Color: silver toneMaterial: Zinc-Plating Steel