Marine grade 304 stainless steel - hight strength and rust resistance. High precision polished sleek appearance. Multifunctional strap, binding and rigging hardware. Perfect for marine, diving, boat and outdoor harsh-condition applications; luggage & bags, saddles; hammock yoga hanging . Rings are sized by thickness by inside diameter. Come with 2 sizes, 3x20mm and 3x15mm, each sizes 5 pieces.
Size Chart:
Thickness x Inner Diameter 3 x 15 mm/ 0.1 x 0.6 inch 3 x 20 mm/ 0.1 x 0.8 inch