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Summit Racing Part Number:
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Summit Racing Equipment® AN and PT auto plumbing gauges are precision laser cut from 304 stainless steel to provide years of use. You can use these gauges to determine correct sizes of:
*Male AN fittings sizes -4AN to -16AN
*AN wrenches sizes -4AN to -16AN
*NPT plug and fitting diameters 1/8 in. to 3/4 in.
*Outside diameter (O.D.) of stainless steel braided hose -4AN to -16AN
*Outside diameter (O.D.) of steel brake, fuel, and transmission lines from 3/16 in. to 3/8 in. fractional sizes only.
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