Stabila 03165 LA 5P 5 Point Dot 60 Foot Range Self Leveling Green Beam Laser Level Dewalt with battery (battery not included) P400250100011 with battery (battery not included) for reduced operator fatigue Features Extreme Protection Technology (XPT) which is engineered to provide increased dust and water resistance in harsh job site conditions Rubberized soft grip provides increased comfort on the job Dual L Durable 2 ply sidewall & 2 ply Tread construction provides puncture resistance and reduces tire roll The LA 5P G is great for positioning interior and partition walls up to 50ft and for transferring layout points from floor to ceiling When compared to traditional methods of 3 4 5 squaring