Description To promote long-lasting use and better safety, these chain links are manufactured with solid and durable iron and stainless steel materials, will not easily rust or corrode, can be used in outdoor environment in rainy or snowy days. They can give your ropes and chains a stable connection. Features - Color: Black. - Material: Iron and stainless steel. - Size: 3.50X2.00X0.50cm/1.38X0.79X0.20in. - These quick links are made of stainless steel and iron with fine workmanship, no rust. - Easy to use, the screw thread closure is convenient to fix and re-open after use. - Chain links are perfect for chains, backpack, ropes connection and so on. - Wear and corrosion resistant, not easy to deform during use, can be used in outdoor. - High strength structure constructed, convenient for installation and disassemble. These quick links are made of stainless steel and iron with fine workmanship, no rust. Easy to use, the screw thread closure is convenient to fix and re-open after use. Chain links are perfect for chains, backpack, ropes connection and so on. Wear and corrosion resistant, not easy to deform during use, can be used in outdoor. High strength structure constructed, convenient for installation and disassemble.