The Scale f/#1975 High Power 7x Focusing Loupe from Peak is a standard reticle scale for inspection and measuring, to be used with the #1975 all-purpose high power 7x focusing loupe. It features a cross hair with the metric scale on a horizontal plane and a zero center reading. The scale has a total measuring range of 20mm, with divisions of 0.1 mm. The value of tolerance is ± 0.05mm. This can be used as a replacement for your original scale.