Precision Workshop Vernier Caliper. Models ranging from 16" to 120". .001" Graduations (inch Reading Only). Hardened stainless steel throughout, Precision ground and lapped for accuracy. Open Face design With easy-to-read "no glare" chromed Vernier. Fine adjustment Screw on All Models. Extra-Long Jaws for Larger work pieces. Meets or exceeds Federal Accuracy specs. Case not included.* *Available upon request. Phone or Fax. Model No. 18302, Preisser Vernier Caliper Measuring Range: 0-40" Depth of Jaw: 6"