Quick Release Pin for Boat Top Deck Hinge or Boat Jaw Slide Clamp Bracket Material: Made of marine grade 316 stainless steel, excellent resistance to seawater corrosion and durable Size: 51mm long (not including ring), 5mm in diameter Practical Design: With a spring ball on the needle tip, it can easily replace different sizes of Bimini tops - Very useful supplies Main Function: Can be used for marine mountain seat, stainless steel pipe clip, boat outfitting, shipbuilding, etc. Delivery Quantity: 2 pieces