J-Hook Barbell Holder Pair for 3x3 RigsJ Hooks for Power Rack The RG 7, J Hooks by Valor Fitness are the ideal barbell holder for your power rack. Our J Hooks are constructed of heavy duty steel to safely and effectively rack your Olympic bars. Rugged plastic padding provides shock absorption and prevents damage to your bars. Features and Benefits: Pair of J Hooks designed to fit 3x3 uprights with 1" holes. Locking screw securely holds in place and they can handle weight up to 60lbs. Heavy