When the need is to take high numbers of accurate measurements, everything needed is in DW0887100-1 Kit. Combined Cross Line Laser DW088CG and Laser Distance Measure DWHT77100, within T STAK kit box that protects unit and help to prevent damage to the components. The black letters of the Laser Distance Measure on white background are easy to read, for facilitate usage both indoor and outdoor. Integrated magnetic pivoting base of Cross Line with 1/4" thread for use with tripod the built in magnetic pivot bracket mounts easily on metal surfaces. The Laser Detection Glasses and the Green Target Card help the user locate the laser by enhancing the visibility of the beam