Made from 1/2″ wide, 260 brass alloy. Used in manufacturing and maintenance of highly technical markets where a nonmagnetic, noncorrosive product is needed to check extremely close spacing. When inserted, material should not cause a spark; ideal for the computer, mining and electronics industries. Thickness is clearly marked every 6″ in metric and decimal. Measures 1/2″ wide by 12″ long. Precision Brand® Feeler Gage is used in manufacturing and maintenance operations wherever setting close spacing or checking extremely tight tolerances is required.