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CRAFTSMAN Automotive Spark Plug-Gauge

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VERSATILITY: Quickly gauge spark plug gaps from 0.020-in to 0.100-in (.50mm to 2.53mm)
EASE OF USE: Tapered hole is designed to adjust spark plug gap without damaging the electrode
Includes (1) Spark Plug Gauge

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Keep all engines, from your car to lawn equipment, running smoothly with the CRAFTSMAN® Spark Plug Gauge. Gapping spark plugs are an essential part of every tune-up, and this tool makes it easy. Check the depth of the gap between the electrode and ground strap by sizing it against the gauge, which ranges from 0.020-in to 0.100-in. Use the adjustment hole to gently open or close the gap. This handy tool will keep your engines running at peak performance for years to come.

VERSATILITY: Quickly gauge spark plug gaps from 0.020-in to 0.100-in (.50mm to 2.53mm)
EASE OF USE: Tapered hole is designed to adjust spark plug gap without damaging the electrode
Includes (1) Spark Plug Gauge
CRAFTSMAN Full Lifetime Warranty