Empire 48 in. True Blue Magnetic Box Level features solid block acrylic vials that resist breaking, leaking, and fogging, ensuring long-lasting reliability. The 300-degree view True Blue vials come with a top-reading window, providing clear and accurate readings. This level is precise to within 0.0005 inch per inch in all 10 level and plumb working positions, making it i for professional use. Equipped with rare earth magnets, it securely holds onto ferrous surfaces for hands- operation. The heavy-duty 6061 T5 aircraft aluminum chassis enhances durability, while the eLock Center Vial System is mechanically locked in place and secured with two-part epoxy for added stability. Removable eShock Pro impact-absorbing accordion-style end caps protect the level from damage. The Accu-Edge2 frame profile is precision milled to deliver greater accuracy, and the one-piece ergonomic rubber hand grips reduce hand fatigue during extended use. Model Number: