J-Cup Bar Supports that attach to uprights on all Torque Squat Stands, Racks, and Cages.  Most lifting racks include a set of these, but you can purchase them here too.

Features: 

• Aluminum spring pins prevent them from getting knocked off
• Load rating 875 lb. / 397 kg.
• UHMW wear guards protect uprights and Olympic Bar
• Sold as a pair