*Shoulder straps shown in image is NOT included, sold separately (see Part # MI 900-090B or MI 900-090K) The Commercial Weight Belt is made from tough, long lasting materials, which require no maintenance. The black rubber belting has a 2 ply nylon carcass which will not rot or mildew. The standard belt is 45″ long × 4 ½” wide × approximately ¼” thick. Back-up plates, bolts and nuts are stainless steel. Adjustable for weight, waist size, and shoulder strap length. Models available:MI 900-132 Heavy = Four 8 lb. weights (32 lbs.)MI 900-125 Standard = Five 5 lb. weights (25 lbs.) *Shoulder straps shown in image is NOT included, sold separately (see Part # MI 900-090B or MI 900-090K) MI 900-090B Weight Belt Shoulder Straps with Keepers (Blue)MI 900-090K Weight Belt Shoulder Straps with Keepers (Black – Shown in image) Assemblies (comes complete with screws, nuts, and backing plate) MI 905-453 Weight Assembly, 3 lbs.MI 905-455 Weight Assembly, 5 lbs.MI 905-458 Weight Assembly, 8 lbs. Spare Parts MI 930-320 Screw, 3 lbs. WeightMI 930-322 Screw, 5 lbs. WeightMI 930-324 Screw, 8 lbs. WeightMI 930-329 Nut, WeightsMI 940-320 Backing Plate, WeightsMI 930-305 Screw, BuckleMI 905-320 Weight Belt Buckle AssemblyMI 910-435 Weight Belt Rubber, Cut *Shoulder straps shown in image is NOT included, sold separately (see Part # MI 900-090B or MI 900-090K)