Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool - 641148 Size:12mm Unique round cutting blades can

Unique round cutting blades can be rotated and reversed for long life

VERSATILE - Safely remove plastic

Inch Set (7 PC) : 6#

Pilot diameter is 3

AFA Tooling Deburring Tool Kit with 11 High Speed Steel BK3010 Blades | Precision Edge Burr Removal on Copper

Powerbuilt 12mm Back Tap Spark Plug Thread Repair Tool - 641148 Size:12mm Unique round cutting blades canPowerbuilt 12mm Back Tap Spark Plug Thread Repair Tool 641148 Read more Powerbuilt 12mm Back Tap Thread Repair Tool The Back Tap's patented collapsible design allows it to engage be placed through the spark plug hole and into the chamber. A mandrel is then drawn back, expanding the tool's threaded area and threading into the clean threads at the bottom of the spark plug hole. The Backtap repairs the damaged thread as it is drawn up through the spark