Thread chaser for M22 x 1.5 sensor ports often used for NOx (Nitrogen Oxide sensors). Designed to allow the user to clean out and repair the sensor port thread prior to fitting the new sensor. Applications include: Mercedes-Benz, Vauxhall/Opel NOx sensor port threads. For use on any M22 x 1.5 thread.

Fitted with rubber O-ring to help hold the chaser in a suitable spanner or socket. Use with 7/8""(22mm) sockets or wrench. 

Size: 22mm x 1.5
Hex: 22mm
Length: 50mm.

Always use with grease to help catch the dirt as well as protect the sharpness of the tool