Johnson Level 48 In. Aluminum I-Beam Level
Rigid aluminum frame assures durability and accuracy. Shock absorbing end caps protect frame. Top read window for easy reading. Durable acrylic vials. Ruled edge in 1/8ths, 1/16ths, and cm. Impact-resistant 360 deg (degree) yellow acrylic vials assure accuracy. Quik-Change replaceable cover plates and vials for in the field service.