... for you This instrument is mainly suitable for high precision of engineering including construction project,mine,road,bridge,and ... minimum focus of 1 foot (0.3m)Top-mounted optical peep-sight for quick referenceLarge, easy-to-use precise ... braked rotation, endless horizontal driveManufacturers Five Year Warranty includedIncludes:Automatic Level, Hardshell Carrying Case with Dual Latches, Plumb Bob, ...