The RYOBI 20' AirGrip™ Laser Level utilizes improved vacuum sealing technology to attach to most surfaces without tape, pins or tacks for damage free mounting. The 20' range and high visibility red laser clearly indicate your line, even over long distances. Easily project 0° - 45° angles in both directions with adjustable angle stops, while the horizontal and vertical bubble vials allow for accurate level reading in different orientations. This laser level is ideal for TV mounting, shelving, decorating and so much more! The 20' AirGrip™ Laser Level is backed by the RYOBI 3-year manufacturer's warranty (tool only) and includes the AirGrip™ Laser Level, (2) AAA batteries and operator's manual.