E-Z Dip Dumbbell Dipping Belt with Dumbbell Hook Patented "Quick-n-Easy" Super "J" Dumbbell Hook dumbbell loading system. Dual E-Z Adjust chain snap hooks for optimal, no swing load positioning. Multi-user waist buckle snug with a tug of the strap for zero belt slip under load. Strategically placed 6mm neoprene hip cushions eliminate bruising regardless of load weight. 450 # load rated Use for Dips and Chin-ups