The stabila lax 300 cross line laser level is ideal for marking out floor walls and ceilings it has 3 functions a visible line range of 20m with a red laser diode3 lines one horizontal line one upwards vertical line and one downwards plumb line make the laser well suited for the transfer of the layout from floor to roof the laser also allows quick and precise plumbing a very bright narrow and clear laser line is visible up to 20m the laser can be rotated through 360 in its housing and can be