68150 Feeler gauge. Go-No-Go

Precision is everything when you are setting up a motor, and this Lisle Go-No-Go feeler gauge set makes accuracy easy. The tool features 22 steel blades ranging from .004" to .014", each measuring 1/2" wide by 3 1/4" long. What sets these apart are the stepped blades, which feature a .002" step for incredibly precise gap settings. The sizes marked on the blades represent the lowest thickness before the step. Whether you are checking valve clearances or points, these US-sized gauges provide the tactile feedback a mechanic needs to ensure everything is within spec. This universal tool is built for long-term shop use.