The york 10kg 22lbs rubber hex dumbbell is an excellent tool for building strength and muscle toning it utilises rubber coated heads that guarantee safety for equipment and surfaces and are permanently affixed to a thick 35mm firm steel shaft to improve the strength of the headhandle joint an anti roll safety design prevents the dumbbell from rolling away when set aside this easy to keep clean dumbbell features a chrome plated knurled steel handle that provides a secure and comfortable