Our Rubber hex Dumbbells are crafted with our customers use in mind. We offer a one year warranty on our rubber hex dumbbells. Experience a quality crafted Rubber hex dumbbell today. True Iron Dumbbells are sold in Set Only! Available in weights ranging from 5LB to 100LB. This standard rubber hex design is a great, budget-priced option that still delivers on quality, performance, and longevity. The heavy-duty, rubber-encased heads minimize noise and limit wear and tear (to both the bells and your flooring), while the chrome-plated handle is ergonomically designed for a firm but comfortable feel in any grip style.