Unleash your strength with Nike Spotter Arms – your trusty allies for solo lifting. Designed with security in mind, these arms seamlessly attach to the Nike Half Rack, Nike Squat Racks and the Nike Squat Cage 3″ x 3” uprights. Rubber inserts protect your barbell’s knurling, while locking safety pins ensure rock-solid stability. Reach your peak potential independently, courtesy of Nike Spotter Arms.