The york 225kg rubber hex dumbbell is perfect for those who want to gain more strength and tone muscles it has a safe anti roll design that helps prevent the dumbbell from rolling away while the rubber hex shaped ends ensure protection for the floors and surrounding equipment as well as diminish the noise the torque threaded heads are permanently attached to a thick 35mm robust steel shaft to improve the strength of the headhandle joint whereas the knurled chrome handle ensures an excel