The SMAI Jammer Arms for Vanta Series is an extra heavy-duty bolt-on for the SMAI Vanta Series power rack. Compatible with the SMAI Vanta Series Power Racks and supplied in a pair of arms. Each Jammer Arm is installed onto the uprights of your Power Rack allowing you to perform squat presses, deadlifts, and even bench presses by adjusting the height of the arms to bench level. Adjust your load weight by loading Olympic bumper plates onto the collar peg for a large range of weight loading. Featur