13/16″ – 3/8″ Drive Spark Plug Socket Hex Head | 13/16″ – 3/8 Spark Plug Socket

Free Running Inserts
Eco-Kit can be used in numerous situations
It is a quick & economical solution to any type of thread repair, regardless of application
The kits contain all the necessary tools & inserts together with step by step instructions for use
The Inserts are made from high grade 18-8 helically wound stainless steel wire
Once installed the radial pressure of the insert holds it firmly into place
Due to the exact tolerances, the repaired thread will be stronger than the original
Supplied with a high quality HSS tap suitable for cutting most materials including aluminium, magnesium, cast iron & most machinable steels