11 Offset Steel Blades. Precision blades are offset at the proper angle for adjustment of valve tappets. Blades are approximately 1/2" wide by 4" long.
Gauges and Gaps all Types of Spark Plugs from .020" to .100" (.50mm to 2.53mm). Tapered edge for gauging spark plugs. Specially designed hole with flange adjusts side wire of plug without pressuring...
Equipped with knurled lock-nut, which releases the blades instantly for rapid selection of size desired and when tightened locks the individual blade into the working position, retaining the blades...