IRWIN Level, Extendable, 4-Inch, 6-ft to 17-ft (1801108), Silver
The IRWIN Extendable Level is constructed with three heavy-duty aluminum I-beam rails. Extendable from 6'-17', 4", the three rail design is ideal for plate leveling and is guaranteed accurate at 0.58° for life. Made in the U.S.A.