STANLEY 43-549 Box Beam Level, 48 in L, 3-Vial, 2-Hang Hole, Magnetic, Aluminum, Silver/YellowBuilt from a single piece of aluminum extrusion for increased durability and rugged use. Features 2 block vials on each end to provide maximum accuracy, a center MaxEdge vial enables users to scribe continuous lines with an improved view. Dual bi material hand grips for comfort and two shock absorbent end caps and non marring side bumpers for durability. Unit: EA UPC: 076174435498 Model Number: 43 549