Johnson Level 1760-4800 Digital Box Level, 48 InchHighlights: Size: 48 inch Digital Its EZ Read backlit display is highly visible on both the dimmest and the brightest jobsites while the digital measurement reading will automatically invert for convenience when you are taking overhead measurements Durability is also never a concern with this level its rigid box frame resists deflection and twist, shock absorbing end caps protect the level when it is dropped and the solid block vials were designed to