Oxygen Sensor Thread Chasers Set 2, M18x1.5mm and M12x1.25mm 3/8 Drive

Black oxide coating aids in preventing rust and corrosion. 【Easy Compatibility】Operates with a 3/4" hex socket or a 3/8" square drive. The M18 x 1.5mm size fits M18 x 1.5 spark plug threads; the M12 x 1.25mm size fits M12 x 1.25 spark plug threads.