Clarke CHT261 Spark Plug Thread Chaser

Description

Covering the two most common sizes, this reamer, driven by a spark plug socket, will clean & restore threads in the engine block that may have been damaged due to careless spark plug insertion or removal. For use on 14mm & 18mm spark plug holes. Ideal for cleaning carbon and corrosion clogged threads. Can cure cross threads and minor damage saving expensive thread inserts. Driven by a spark plug socket.