●QUICK RELEASE PIN:Bimini top pin quick release support poles deck hinge and jaw slide clamp bracket marine hardware. ●SIZE:1/4"(6.3mm)Diameter,Total Length 2"(51mm),Effective Length 1.57"(40mm). ●HIGH QUALITY MATERIAL:Quick release pin made of Marine grade 316 stainless steel,sturdy and durable. ●SAFE AND USEFUL:Solid body construction with spring loaded ball in place at the needle tip provides dependable operating qualities. ●WIDELY APPLICATION:Widely used in marine mountain seat,stainless steel pipe clip,ship outfitting,shipbuilding etc.