2PC 1/2" x 3/8" DR CR-M IMPACT REDUCER. 2PC 1/2" x 3/8" Drive CR-M Impact Reducer Adapter Set. Heavy-duty impact reducer adapter set. Drop-forged and heat-treated for superior strength and durability, these impact reducers are ideal for use with air impact wrenches, cordless impact tools, ratchets, and breaker bars.
