Exclusive to Home Hardware, this Benchmark 72" 3 Vials Double Plumb View Box Level is the ideal contractor box level. It features two solid acrylic vertical vials with Plumb Site Dual- View vial and one magnified horizontal solid acrylic vial. Vials are epoxy-locked in plastic ABS vial housings and have an accuracy: 0.0005" per inch (0.5mm/m) at level, and in all plumb working positions. It is pure polyester electrostatic powder coated, incorporating Keflon anti-stick coating and incorporates ergonomic "Air-cushioned" handles with a patented Ergo Grip non-slip feature. Polypropylene and TPR end caps have "Air-cushioned" PVC shock absorbers. **NOTE** 48" shown - image not exact actual length is 72".