Lang Tools offers a variety of spark plug gap gauges that are sure to meet all your gaping requirements. Lang Tools offers ramp gauge, high-energy, round and E-Z Grip spark plug gap gauges. The large chrome ramp gauge adjusts the spark plug gap in a graduated ramp sequence.High-energy and round style wire spark plug gauges feature some of the most popular sizes required to gap spark plugs.The E-Z Grip spark plug ramp gauge has a full range of coverage for all spark plug gaping requirements from .020 to .080 (.60 to 2.00mm). The E-Z Grip spark plug ramp gauge also includes a recess specifically designed to adjust electrodes.