Johnson Level 24 Big J Pro® Heavy Duty I-Beam Aluminum Level

Lifetime Guarantee Maximum Accuracy Oversized 1/2 Diameter Vials are Easy-Read Heavy Duty Aluminum Frame Assures Durability and Accuracy Ergonomic Cushioned Hand Grips SurroundView® Vials Reflect Ambient Light For Easy-Read Top-Read Window Maximizes Readability Field Replaceable Cover Plates and Vials Shock Absorbing End Caps Protect Frame.