EXCELLENT IMPACT SOCKET SET FOR PROFESSIONALS：This 29 accessory has 1x Spinner Handle; 1x 1/4″ ratchet 72 tooth；1x 3/8″to1/4″ Socket Adapter; 1x Universal Joint; 1x Bit Adaptor 1/4″Square to 1/4″Hex; 1x Sliding T Handle; 2x Extension Bar; 1x drill socket adapter; 20x Bits for Power Tools.