Feature: Anti-Corrosion Materials: Made of precision marine grade carbon steel, it will be not rust. Long lasting and rust-free: It can stand up to a kind of weather. Widely used in various Shipbuilding, ship outfitting. Can be used for marine mountain seat, stainless steel pipe clip, ship outfitting, shipbuilding etc.Specifications:Pin Diameter: Hole Distance:Pin Usable Length: Ring Inner Diameter: Color: Silver Tone Package includes: 4 Pcs x Quick Release Pin