US PRO Tools Impact Wheel Nut Flip Socket Set 5 Piece 3765
The socket has an internal square drive of 1/2" and is made from chromium molybdenum for strength and is phosphate coated for protection. Socket 1: 18.5mm x 19.5mm. Socket 2: 21mm x 21.5mm. Socket 3: 22mm x 22.5mm.