100% Stainless Steel 316 Imported Advantages: The net weight of each 2.7 inch swivel snap hook is 1 ounce, HEAVIER than other same products on the market, swivel hooks from SHONAN are sturdy and durable. Premium Material: The swivel eye snap hooks from SHONAN are made of 100% stainless steel 316, which gives the swivel eye hooks excellent corrosion-resistant property. Multi-applications: The swivel snaps are ideal for split rings, ropes, dog leashes, keychains, small diameter cables. The marine grade stainless steel 316 makes these swivel snap hooks perfect for scuba diving and salty environment. Specifications: The swivel eye is capable with cables which diameter is under 0.55 inches. The working capacity of swivel snap clips(SSBS-020) is 40 pounds. Satisfaction: This package comes with FIVE pieces of stainless steel swivel eye snaps, and every piece of SHONAN hardware comes with a one year free replacement service in case of any failure.