Qooltek Multi Purpose Laser Level Tape Measure 8 feet RulerQooltek Multi Purpose Laser Level Tape Measure 8 feet Ruler OVERVIEW: 3 PRONGED APPROACH combines a fine tuned tape measure, a triple positioned leveling bubble and a NEW laser level to provide maximum results.Note: Laser Ranging Error,that is given as "+ 2mm at 10m and 25m"; If the laser is the Vertical Level or the Horizontal Level, you shouldn't adjust the Beam.) WORKS ANYWHERE designed for any situation where a straight line or accurate