Master Level Overall Height 3 in Overall Length 15 in Overall Width 1 5/8 in Number of V-Grooves 0 Number of Level Vials 2 Number of Plumb Vials 0 Number of Cross Test Vials 1 Total Number of Vials 2 Sensitivity 0.0005 in/ft Mount Type Not Applicable Frame Material Cast Iron Level Orientation Horizontal Precision Vial Properties Graduated Grounded Shape Straight Accuracy 0.0005 in Color Black Finish Satin Includes - Number of Mounting Holes 0 Top Read Top Read Window