Diameter: 1.9 inch/4.8cm - Fit 2-inch Olympic plates. Total length 13.6", effective storage length 12". Weight capacity: The welded edges of the loading pin base are very sturdy and flat, up to 500 LBS/ 225KG. Meet various training requirements, like home gym pulley systems, grip training, lat bar training, building up triceps and biceps, and so on. Meet various training requirements, like home gym pulley systems, grip training, lat bar training, building up triceps and biceps, and so on. Simply add your desired weight plates, attach your favorite handle or strap, and get to work! SYL Fitness Loading Pin features superior strength and durability to withstand any rigorous workouts you can throw at.