This Johnson Magnetic Laser Torpedo Level is a must-have at home or on the job. The laser level's three vials read plumb, level and cross check, and its built-in, rotating head swivels to project a laser dot, horizontal line or vertical line. Designed with durability in mind, this level's molded housing is impact resistant to withstand even the roughest jobsite abuse. This product also comes with a 1 year warranty to back up and protect your purchase.