1. This is a set of 4 304 Stainless Steel Carabiner Clips with Nickel Plated Steel Keyrings (50MM Diameter). It is made of marine grade stainless steel, they are forged, not stamped from wire. No matter how long it is used, it will not deform. Safe load per clip is 99 kg.2. These stainless steel clips are highly polished, there are no sharp edges anywhere, the edges are smooth to prevent chafing, the latch needs about a pound of pressure to start opening, it's fairly smooth and easy after that. Then, when the pressure is released, it snaps back tightly into place.3. These spring hooks are made of advanced forging technology and have been heat-treated for 3 times for high strength. Due to the addition of molybdenum, a special anti-corrosion structure can be obtained. Stainless steel has better corrosion resistance.4. These stainless steel clips marine grade design is very scientific, there is a separate hole under the clip, which is beneficial to protect the rope from damage, and will not loosen the rope due to the opening or closing of the spring door. The eyes are large and smooth enough to slide over sturdy cords that are easy to hook and untie.5. The mini stainless steel clip is the perfect connector for fixing the flag to the flagpole, the flag clip for the flagpole rope, also great for keychains, dog leash, also can be used as a clip to hold the outriggers while fishing at sea and fixing fishing gear Wire. It is UV resistant, reliable and waterproof.