Stanley Fatmax Xtreme Box Beam Level, 72", 43-672: * Length: 72" * Number of vials: 3 * Durable box beam construction is up to 5x stronger than other Stanley levels * Block vials provide accuracy of 0.0005"/in * Magnified center vial for visibility * Machined leveling surfaces for accuracy * Large ergonomic rubber over-molded hand grip * Limited lifetime warranty