Nexo Power Rack 4x4 Power Cage - Workout Station Home Gym for Weightlifting Powerlifting and Strength Training with J Hooks and Spotter Pins - Walmart.com
Pin And Pipe Safeties
CSBH Multifunctional J Hook Power Rack Attachment, Weight Pins/Fitness Racks, Home Gym and J-Hook Dumbbell Holder for Power Rack Weight Shelf, Fits 3 x 3 inch 'Rack with 1' Holes (Pair) :
Homemade power rack pins.
For all those asking how to use weight storage pins on a RML-490 and have the plates not get in the way, this has never caused me an issue : r/homegym
Weight Stack Pin - Bells Of Steel USA
Rogue R-4 Power Rack - Weight Training - CrossFit | Rogue Fitness IE
SUPGYM Weight Plates Holder Attachment Sold in Pairs