Fowler High Precision An economical height gage that offers high quality, accuracy and durability. Large base for easy movement True inch/metric conversion Range: 020"/500mm or 0-40"/1000mm Resolution: .0005"/.01mm Repeatability: .0005"/.01mm (±2s) Deluxe wooden case with reinforced metal edges Large easy to read LCD Non-glare chrome reading surface Overall height of 54-106-020: 28" Beam thickness of 54-106-020: 1.25 X .4" Overall height of 54-106-040: 50" Beam thickness of 54-106-040: 2 X .625" Preset Function Scriber Shank 12mm x 10mm