Package inclued:2 inch loading pin,1 carabiner. Diameter:1.9 inch/4.8cm . Weight capacity: up to 550 LBS/ 250KG,This Loading Pin is designed to fit most 2-inch Olympic plates, whether they’re steel or bumper plates. If you’re interested in starting grip strength training, this is the perfect tool to build muscles in your arms and hands and improve your grip. You can also workout your shoulders, pecs, biceps, triceps, and more. Simply add the desired weights to the loading pin, attach your favorite handle or strap, and perform a wide range of strength training exercises,It features an attachment point built into the top of the pin that can easily connect to a strap, carabiner, or rope so it is compatible with a wide range of handles, pulleys, and straps , including wrist rollers, kettlebells, and pulley systems. Add more variations & have fun doing different exercises to target multiple muscles,Designed with a focus on quality and functionality, LFJ loading pins are made of all steel & fully covered with black powder coating to provide the best products & experience,Super heavy duty carabineer: strong steel alloy carabineer brings you ultimate safety when performing exercises. Easy locking mechanism allows you to change and connect with rope, straps effortlessly