Mikolo Standard J-Cups for 2" X 2" Racks Built for reliable everyday strength training, these Standard J-Cups feature a sturdy steel construction with thick PVC padding to help protect your barbell from scratches, reduce impact noise, and withstand repeated racking. Silicone contact pads help preserve your rack’s finish, while the secure fit keeps the J-Cups stable during squats, bench presses, and overhead presses. With an 800 lb load capacity, they deliver dependable support for heavy barbell workouts. Compatible with 2" × 2" rack uprights with 1" holes.