Box Beam Level 48"

48" Non Magnetic Box Beam Level, Extremely Accurate With Machined Acrylic Vials That Are 2 Times As Accurate As Standard Tube Vials, Vials Are Guaranteed To Never Break, Leak, Fade Or Fog, Extremely Durable With Continuos Edge Center Vial To Prevent Bending, High Impact Rubber Endcaps Able To Withstand A 2 Story Fall, Rugged Box Beam Construction Guaranteed Not To Bend, Extremely Convenient With Plumb View Window, Patented Keyed Insert System & Non-Slip Hands Grips.