Stanley® 43-548 FatMax® Aluminum Box Beam Level, 48"Constructed from a single piece of aluminum extrusion, the sturdy Stanley FatMax box beam level is designed for durability and precision leveling. Large ergonomic rubber over molded hand grip. Shock absorbing end caps hold up to heavy use. Non marring side bumpers helps prevent damage to finished surfaces. Length 48", 1219. 2 mm Color: Yellow Block vials provide maximum accuracy of 0. 0005 in. in. (0. 5mm m) MaxEdge bridged center vial for continuous