Fowler Full Warranty Digit Counter Depth Micrometer, 52-225-226, 0-6" Measuring Range, 0.001" Graduation, 4&rdquo; Base Full 1 year warranty offered by Fowler High Precision, an American company Includes 6 rods; Diameter: .176", adjusting wrench and fitted case Easy to read Digit Counter (.001), satin chrome finish Range: 0-6"; Graduation: .001" It has a ratchet thimble, a locking clamp and lapped 4 base for repeatable, accurate readings