Powerbuilt 640811 14 mm spark plug back tap
Check compatibility
Powerbuilt 640811 is the 14 mm back-tap model. Its collapsible tool body changes how the tool reaches existing plug threads. Check application access and the equipment procedure before ordering.
Questions before ordering
How does this differ from a conventional plug-hole chaser?
The 640811 has a collapsible working end that engages threads from inside the hole. Check access and the equipment service procedure before selecting this style.