3/5pcs/set Automotive Oxygen Sensor Socket Wrench Remover Tool Kit High Quality Material:These sockets and wrenches are forged with high-strength chromium vanadium steel which give them a better performance.and the outer layer is protected from oxidation and rust through phosphating and electroplating which extending its service life and sturdy enough to install and remove oxygen sensors. 5PCS Oxygen Sensor Removers:5pcs sockets and wrenches included in the red case.1pc 3/8 Dr. extra deep broach socket (3-1/8 long), 1pc 3/8 Dr. low-profile crowfoot socket wrench (1-1/4 long), 1pc 1/2 Dr. offset crowfoot socket wrench (1-15/16 long), 1pc M 18 x 1.5mm and 1pc x 1.25mm thread chasers with 3/8 drive for cleaning and repairing damaged threads. Applicable:3 types of universal socket wrenchs cover various situations of oxygen sensor location.6-point 7/8 (22mm) socket opening fits hexagon oxygen sensor, common 3/8 and 1/2 drive ends can be used with ratchet or breaker bar,Perfect tool set for removing, inspecting, replacing and installing heated and non heated oxygen sensors and vacuum switches on most vehicles with computer-controlled engines. Special Design:Special side cut design allows for easy access to the oxygen sensor from any part and prevents damage to the wires.