The leica lino l4p1 is a new all in one 180 laser layout tool designed to handle jobs that have traditionally required both a line and a point laser the base of this laser level is designed for fast setups just grab and spin the unit on its base to get close then use the fine tune knob to adjust the line or cross point for perfect placement combined with an overhead plumb laser point the intersections of the three 180 vertical laser lines with the horizontal laser line create a total of five lay