Empire eXT78 48 in. to 78 in. True Blue Extendable Box LevelThe Empire 48 in. 78 in. True Blue Extendable Box Level provides users with the most versatile performance with the ability to extend for exact fit in any job. The extension box level enables users to achieve a perfect fit in custom or odd size applications and constant surface contact for an accurate read across the full length of material. The adjustable sizing allows users to carry less and do more with the ability to replace up to 3 level sizes and maintain productivity with this all-in-one solution. The Empire patented e-Band Vial Technology provides users with superior readability and reliable 0.0005 in./in accuracy. The extendable levels mark & scribe edge allows for continuous scribing across the full length of the level, even when extended. The adjustable slide control mechanism allows for customizable friction fit resistance and long term performance. The Empire 48 in. 78 in. True Blue Extendable Box Level offers leading versatility and accuracy for all tradespeople and the applications they face on a day-to-day basis.Extends 48 in. 78 in. for exact fit in any jobReplace up to 3 level sizese-Band Vial Technology for superior readability and 0.0005 in./in accuracyAdjustable slide control for custom friction fit extension resistance and long term performanceMark & scribe edge for continuous scribing capability even when extendedTool-free removable end cap allows for scribing accurately into cornersRear plumb vial window for easy viewing on both sidesIntegrated ruler scale for repeat layout applicationsHigh-contrast vial surrounds for improved visibilityIncludes: (1) eXT78 levelDimensionsLevel Length (in.)78 inProduct Depth (in.)78 inProduct Width (in.)1.57 inDetailsAccuracy (in.)0.0005 inConditionNewFeaturesAdjustableHand Tool TypeStandard LevelLevel TypeBox BeamMaterialAluminumNumber of Vials2Package Quantity1Tools Product TypeHand Tool