TAG Premium Ultrathane Dumbbell (Pair)Revolutionary SDS Secure Dumbell System construction Straight hard chrome handle Patented ultrathane adds to the look and life of your dumbbells One piece solid cast and steel head design encased in ultrathane offers accurate weight and precision balance Will not spin or come loose like bulky bolt together dumbbells Compact design makes SDS dumbbells much easier and safer to handle Available from 5 150lbs in 5lb increments and 7. 5 27. 5lb half size