The RYOBI Multi-Surface Laser Level is a new and innovative product for all of your leveling projects. It is equipped with 3 wall attachment methods for hands-free leveling: suction cups, pins, and magnets. It features a 90-degree protractor for accurately leveling anything with an angle. The RYOBI Multi Surface Laser Level measures out to 20 ft. and guarantees the accuracy and convenience you need to get the job done.