Granite Tri-Apex Multi Pull-up Bars is designed to be an easy and great add-on to our Mainline 3x3 Power Rack and 3x3 Wall Mount system. This Multi Level Pull-up bars set up will offer all athletes with different heights to do pull-up exercises from low bar to high bar and vice versa, which is why it is a must-have add-on to your Rack / Stand.NOTE: Please make sure to securely bolt your Power Rack, Wall Mount uprights, or squat stands to the floor before adding this Tri-Apex Multi Pull-up Bars.Granite Tri-Apex Multi Pull-up Bars is fully mad