Authentic RDX Top of the line extra thick 6.5" wide 10 mm thick professional Dipping Belt with heavy duty chain and speed clip, Extra Thick Polypropylene for extra heavy weights is not layers glued together cheaply to make thickness as some other brands that can come loose later. Comes complete with links and catch to attach either plates or dumbbells safely allowing you to dip beyond your natural bodyweight. The revolutionary belt loading system is the only Dip Belt on the planet designed to terminate annoying waist slip, dangerous load swing and awkward plate loading gymnastics. No swing load positioning. Add resistance beyond your body weight to supercharge dips, chins and lunges.