3-11pcs 1/4 3/8 1/2 3/4 Inch Square Drive Impact Socket Adapter and Reducer Set
1 x 3/8 to 1/4 Reducer. 1 x 1/2 to 3/8 Reducer. 1 x 3/4 to 1/2 Reducer. 1 x 1 to 3/4 Reducer. The heavy-duty socket drive adapter reducer has built-in ball detent locks designed to hold securely on sockets, preventing them from tipping over.