JOHNSON LEVELS 5700-7200 - JLX 72" Heavy Duty Aluminum Box LevelThe Johnson Level 5700 7200 JLX series is engineered to exceed the rigorous demands of professional tradespeople, providing unparalleled accuracy and durability on the most challenging jobsites. This 72 inch heavy duty aluminum box level features a reinforced frame designed to resist twisting and bending, ensuring a lifetime of reliable performance. With its machined gauging edge, the level maintains an elite accuracy of 0. 029 (0. 5mm m) across all