Easy to Use: Simply place the WYGVNR Bar Jack landmine stand under your barbell and hold the handle to effortlessly lift your barbell off the floor for adding or removing plates. Protect your barbell knurling: The jack is padded with black UHMW plastic to safeguard the knurling on your barbells, preventing wear, Avoid narrowly spaced jacks that will wear down your bar's knurling.