SELEWARE Steel J Hooks for Power Cage Squat Rack Attachment, Only for 2x2 inch Square Tube with 1 inch Hole Rack, Barbell J-Hook Holder for Power Rack, J Cups Set of 2 :
XM Fitness J Hooks (pair) – The Treadmill Factory
Fitness Reality 2816 Steel J-Hooks, Set of 2, Fits 2" x 2" Steel Power Cages 313033235227 | eBay
4 Pcs Heavy Duty Black Steel J Hooks Utility Hook for Hanging Home Office Gym Sports