Features and Benefits: ?Lightweight, durable aluminum frame for superior portability ?Continuous grip frame offers compact box level solution ?Integrated handles for storage and carry versatility ?Impact resistant block vial offers 300-degree viewing window for easier read-out in multiple positions ?Patented high contrast vial surrounds increase visibility in all light conditions ?Precision milled edges deliver reliable 0.0005 in./in. accuracy ?Impact resistant end caps prevent damage when dropped ?Secure hybrid plumb vials deliver long-life accuracy and resist breaking, leaking, or fogging ?Limited Lifetime Warranty Empire Level is a premier layout solutions provider dedicated to quality products and experience for the user. The Empire 650.24 box level offers a lightweight aluminum frame for superior portability and mobility. The continuous grip frame provides an ergonomic contoured shape for a compact and easy carry solution. Additionally, the impact resistant block vial offers durability and 300? viewing capability to optimize readability in multiple positions. Patented high contrast vial surrounds increase visibility in all light conditions. Precision milled edges on both primary and secondary working surfaces offer reliable 0.0005 in./in. accuracy.