💪Patent Design- Fit 2*2" or 3*3" Tube power racks, no matter the hole diameter. 💪Wide & Narrow Grips - Wide grip dips for Chest, narrow grip dips for Triceps. Fit all wider & narrower shouldered users. 💪Excellent Stability - Quality welding, good thickness for dip grip, sturdy on the rack, no sway while performing exercise. 💪They are secure and easy to install and remove. let's start working on dips right now. 💪WE GOT YOUR BACK - We stand by the quality of our J hook. If you encounter any problem while using it, get in touch with us and avail of our lifetime parts replacement at no extra cost!