Bosch 0603663400 pll2 digital cross line laser bosch diy 0603663420 p this line laser from bosch is an ideal companion for the professional tradesman looking to align lamps shelves and pictures at the same level and height parallel to one another or in a diagonal the laser has been manufactured to a high standard and is equipped with a host of excellent features including the adjustable laser lines laser cross for fitting objects at a certain angle br br the pll2 s cross line laser pro