Ladies, firm triceps, beautiful, lean legs, tight glutes, and a feminine physique begin with a pair of XMark 45 lb. Rubber Hex Dumbbells. Designed with an ergonomic handle to reduce hand fatigue, the XMark Hex Dumbbell will be your go-to dumbbell for getting slim and fit. 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 tricep kick-backs and extensions to lunges and squats and much more with XMarks rubber hex dumbbells.