Suitable for cleaning corrosion and carbon build-up from spark plug threads.

Also possible to restore minor cross threading damage.

Use with a spark plug socket (21mm).

Specification:

• Model No VS525
• Brand: Sealey
• Maximum Drive Diameter: Ø21mm
• Nett Weight: 0.14kg
• Size(s): 14, 18mm
• Thread Length: 15, 18mm