Dumbbell weights plate coated is made of TPU material, high security, unbreakable,soundproof and protects the floor. Steady and Safety Nuts: The dumbbells adjustable weight includes non-slip fasteners, the thickened nut threads ensure a firm fit with the dumbbell or barbell bar, effectively holding the dumbbell plates in place without worrying about loosening or the plates sliding or falling out, ensuring safe use.
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