The Skil 8101-SL multi-functional line laser is an easy-to-use line laser that’s perfect for easy leveling and aligning projects. The Skil multi-function laser also include a variety of handy accessories, including two backlit bubble vials that allow easy level adjustment and adhesive putty for attaching the tool to drywall, wood and other surfaces. A magnet accessory allows the laser to attach to metal objects and surfaces. A protractor ensures precision when the laser is employed for angle or alignment tasks. This manual multi-function laser can help in multiple applications.