The 8 PCS Heavy Duty Carabiner Clips are made of 304 stainless steel, with a maximum weight recommendation of 1360 pounds. These D shape carabine features a spring snap hook lock type and a silver color. The included components are carabiner clips and spring snap hooks, making them ideal for home organization, utility clips, and outdoor activities. With a warranty of 2 years, these clips are durable and reliable for various uses. Each carabiner weighs 8 ounces and comes in a package of 8, offering a convenient solution for different applications.