marine grade 316 stainless steel, strong, resistant, strong and . Installation: The product is and disassemble, without complicated operations, easy to use and easy to use. Practical: marine hardware accessories are widely used in various shipbuilding, and it will become your better . Wide Applications: pin is widely used in pins for awnings, boat roofs and pillars, ceiling hinges, and . : Stainless steel marine spring pin, strong resistance to seawater , good durability and in seawater .