1)Stainless steel , AISI316 or AISI304, marine hardware 2)All sizes are available 3)Mainly used ... in ships and vessels material: Stainless steel , aisi316 or aisi304, ... is specialized in producing series of stainless steel rigging hardware mainly used in the ships and vessels ,such ... ,eye bolts, anchors, quick links,thimbles,etc... marine hardware