The Milwaukee REDSTICK compact box levels provide industry-leading performance with best-in-class vial readability, frame durability, and magnet strength. SHARPSITE Vial technology provides best-in-class readability with a magnified bubble and high-visibility vial spirit. The Milwaukee REDSTICK compact box levels are backed by a lifetime accuracy guarantee and a Limited Lifetime Warranty.;SHARPSITE VIAL technology - best readability. impact protected;Guaranteed lifetime accuracy - accurate to .029 degrees (.0005 in./in., 0, 5 mm/m).;High contrast vial system is easy to clean and optimizes visibility.;High density, removable end-caps protect frame and provide access in tight spaces.;Wide, durable handles for comfort and portability;Precision milled measuring surface guarantees accuracy in all working positions;Overmolded, non-slip grips stick to the wall and prevent sliding;Durable, all-metal hang hole for storage;;