Need an additional set of J-Cups for your 3x3 rig or squat rack? We've got you covered, with free shipping of course! These J-Cups are built from heavy-duty steel, precision bent and welded. Plus, they're lined with a UHMW plastic to protect the finish on your bar. Finally, they're built to fit any 3x3" rig in the market. The OneFitWonder J-Cups are designed and built overseas for our 3x3 OneFitWonder rigs and squat racks, but they will fit many other brands of rig- or you can even build your own rig and use these j-cups.