AmStaff Fitness J-Hooks Power Rack for 2.5" x 2.5" Tube Squat Rack Attachment is a must-have for your home gym or commercial gym power cage. This product is easy to attach and remove from the squat rack with no tools needed. The rubber padding protects the bar and provides a better grip during lifts such as bench press, shrugs, curls, etc. The quick and easy adjustments allow you to change exercises quickly without readjusting the hooks every time.