Block Level, 1-21/32" W, 20" L, Cast Steel, Insize, Mfr#: 4905-B500

Block Level, Overall Height 1 5/8 in, Overall Length 20 in, Overall Width 1 11/16 in, Number of V-Grooves 1, Number of Level Vials 1, Number of Plumb Vials 0, Number of Cross Test Vials 2, Vial Graduations .0012 in/ft, Features V-Groove on Bottom for Shafts (Shafts Diameter.76 to 4.56 in), Total Number of Vials 1, Sensitivity 0.00012 in/ft, Mount Type Not Applicable, Frame Material Cast Steel, Calibration Certificate Not Certified, Level Orientation Horizontal