Sculpt, build and enhance your body with a set of XMark 5 lb. to 50 lb. Rubber Hex Dumbbells. Designed with ergonomic handles to reduce hand fatigue while maximizing comfort, XMarks Hex Dumbbells are ideal for shaping your arms, chest, shoulders, back, abs and legs. The six-sided hex design prevents rolling and the odorless, premium rubber casing protects your floors, increases the long-lasting durability and enhances your dumbbells visual appeal. Perform everything from bicep curls and shoulder presses to lunges and squats and much more with XMarks rubber hex dumbbells.