Cal Hawk Tools CAPOS3P Oxygen Sensor Socket Set 1 Piece 1/2" Drive x 7/8" x 50mm (L), CR-MO steel construction 1 Piece 3/8" Drive x 7/8" x 30mm (L), CR-MO steel construction 1 Piece 3/8" Drive x 7/8" x 80mm (L), CR-V steel construction