Features and Benefits:�Leafs from .002 to .025 w/mm equiv. & 2'' scale, .038mm - .098mm for metric�Used individually or combined for precise measurement of gaps�Chrome plated with knurled nut to lock in place�Meets fed. specs #GGG-G-17C for toleranceFrom design to machining to quality control, the robust line of Empire specialty tools is crafted with the final application in mind. Backed by the combined knowledge of our experienced team, this means professionals can rely on these Empire tools to get the job done with less effort. The Empire 27512 metric feeler gauge is chrome plated and features a knurled nut to lock in place.