From 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 kNwledge of our experienced team, this means professionals can rely on these Empire tools to get the job done with less effort. The Empire 27511 26 leaf feeler gauge leafs from.002 to .025 with mm equivalent and 2 in. scale, .038 mm to .098 mm for metric for precise measurement of gaps.