Product Description 21pc Oxygen Sensor Master socket set PT10203 Comprehensive 6 & 12pt set installs & removes most oxygen sensors, injectors & thermal switches Ideal for every motor tradesman Professional quality tool set Slotted sockets allow wiring to be by-passed providing damage free removal & installation Shapes & sizes to fit most vehicle engine sensors 22mm Flexible Handle Oxygen Sensor Wrench 22mm Oxygen Sensor Removal Tool Twelve 12pt sockets Five 6pt sockets Two offset sockets