Features: 1.This is a professional set suitable for oxygen & vacuum sensors. 2.Cut-outs and slots enable sockets to be fitted over wiring harness. 3.Includes two thread chasers for cleaning and repairing damaged. 4.A 5pcs oxygen sensor / injector removal socket set, completely meet your needs. 5.Designed for removal, inspection or replacement of oxygen sensors / injectors. Specification: Condition: 100% Brand New_x000D_ Item Type: Oxygen Sensor Socket_x000D_ Material: Chrome-Vanadium Steel, Chrome-Molybdenum Steel_x000D_ The surface of chrome vanadium steel is finely polished and electroplated to prevent corrosion and rust._x000D_ The surface of chromium-molybdenum steel is blackening, resistant to oil, corrosion and rust._x000D_ _x000D_ Application: _x000D_ found on most modern vehicles._x000D_ Suitable for commercial or home use. Note: 1. Suitable for all modern vehicles, please determine size required prior to purchase_x000D_ 2. Made by professionals for professionals.