The spark plug thread repair tool set includes spark plug thread inserts in various sizes for different needs, specially designed for M14 x 1.25 mm threading. The included tap enlarges the spark plug hole to accommodate the casing.

The set is made of high-quality steel, offering durability and long life. All pieces are delivered in a blow-molded carrying case for easy storage and transport.

Delivery includes:

• 5 x Thread inserts 11.2 mm (black polished)
• 5 x Thread inserts 17.2 mm (black polished)
• 5 x Thread inserts 17.2 mm (yellow zinc-plated)
• 1 x Battery