BUILT STURDY: Constructed of high-quality steel tubing and welded to a three-sided panel, these safety catchers provide security and clutch effectively when your barbell is dropped. Its pin diameter is 1’’ fitting on 2’’ x 2’’ tubular uprights. HEAVY-LOADING: With a combined static weight capacity of 500 pounds, these arms can hold up heavy loads without risk. Wrapped with long-lasting black powdered coating, they are resistant to corrosion or rust. ADJUSTABLE: Easy to adjust these catchers to your desired height for your customized training, such as squat, bench pressing, overhead press, etc. Simply twist, pull, and insert into your ideal workout position. This design allows for quick adjustments to Ritfit Power Rack with 2’’ x 2’’ uprights. RELIABLE & PROTECTIVE: Extending 12.6’’ out of rack uprights, these spotter arms are prepared to catch your heavy lifts when you feel you cannot complete your motion. Well-welded end caps help keep bar free from rolling or slipping off the end. UHMW PLASTIC COATING: Featuring UHMW plastic on the implement’s frame protect your barbell from metal-to-metal contact and reduce loud noise when exercising. This strong material prevents your barbell from both annoying scratches and damage.