The quick-release pin is made of carbon steel with high hardness and good wear resistance, and has seawater corrosion resistance and durability. It is not recommended to use it in sea-water environment or warm and humid environment for a long time 4 Pack Heavy Duty Deck Hinge with Quick Release Pi... – Grandado They can be used as quick-release pins for awning top, boat top, support rods, deck hinges, etc. What is this?Quick-release pins are widely used in various shipbuilding, ship outfitting, machinery manufacturing, construction, automobile manufacturing, and aerospace. Boat Bimini Top Swivel Hinge,316 Stainless Steel Deck Side Mount Quick MECCANIXITY Quick Release Pin, Bimini Top Pin Marine Hardware Carbon Steel for Boat Accessories Machinery Manufacture Deck Hinge in Deck Hardware Quick-release pins are widely used in various shipbuilding, ship outfitting, machinery manufacturing, construction, automobile manufacturing, and aerospace. The Quick Release Pin is in size of: Diameter: 5/16(8mm); Usable Length 2., 01(51mm); Pin Length: 2., 36(60mm); Total Length 3., 62(92mm); In the package of: 2 pcs x Quick Release Pin Use the spring ball in the pin tip to hold it in place. Marine Hardware Pins Boat Pins, Bimini Top Hinge Pin, 316 Stainless Boat Top Deck Hinge For Ship Outfitting- Quick Quick Release Pins Please confirm the shaft diameter and usage length dimensions before purchasing