The Empire em81.9 Magnetic Torpedo levels features e-Band vials that highlight the meniscus of the bubble to provide a clear reading at plumb, level and 45°. High visibility vial surrounds provide clear viewing of vials and a reinforced aluminum frame allow vials to be viewed from above. A magnetic edge frees the users hands when working with metal surfaces. The em81.9 is proudly made at Empire Level in Mukwonago, WI and backed by a limited lifetime warranty.