The Milwaukee M12 12-Volt Lithium-Ion Cordless Green 125 ft. Cross Line and Plumb is a portable and magnetic cross-line laser level by Milwaukee. It features self-leveling technology and is constructed with glass-filled nylon material. This model, 3622-21, does not come with batteries included and weighs 2.4 lbs. With a measuring technology of laser, this tool is perfect for precise and efficient leveling and plumb tasks on the job site. Its compact size, length of 6.7 inches, and height of 5.7 inches make it easy to transport and use in various applications.