MRS-10x Professional Scale measuring comparator magnifier with reticle set. Reticle precision ground corrected adjustable focus glass lens gives a perfect image. Comes with standard metric scale measures up to 20mm in 0.1mm increments. Reticle's: hole gauge reticle, threads per inch reticle, metric thread gauge reticle, thickness gauge reticle, radius scale with protractor reticle, 2 multi-scale reticle's, and linear measuring reticle.