This Standard establishes final inspection gage sizes and test mandrel sizes for wrench openings and spark plugwrench openings forinch and metric sizes. This Stan-dard does not cover every available size, only those most commonly manufactured.

This Standard establishes final inspection gage sizes and test mandrel sizes for wrench openings and spark plugwrench openings forinch and metric sizes. This Stan-dard does not cover every available size, only those most commonly manufactured.