Having an extra set of J-Hooks will make your workouts that much faster and rewarding. No more having to unload weights off a bar just to make height adjustments. Now you can set up your bars for the various routines. These are H.D. J-Hooks that are reasonably priced. So pick up a few pairs and take your workout to the next level. Please note that the pair of J Hooks weigh about 6lbs.. Shipping weight listed below is for realistic shipping cost calculation only. Also both J-hooks are alike, there is no right side or left side. They fit into the power rack hole and lock on with a clockwise motion.