BI-GRIP TPU PLATESPECIFICATIONS & FEATURES:Material: TPU, or PEV;Color: Black;Weights: 2.5/5/10/15/20/25kg, 5/10/25/35/45/55lbs;Center Hub Diameter: 50.1mm.WEIGHT TOLERANCE:+/-2%. YOU MIGHT ALSO LIKE ADJUSTABLE IPF COMBO RACKAPE FITNESS HALF SQUAT RACKAPE FITNESS CABLE JUNGLE & CROSSOVERAPE FITNESS OLYMPIC BARBELL MEN'SAPE FITNESS