These REDSTICK BACKBONE Box Levels offer exceptional accuracy, strength, and visibility on the job. Designed to withstand harsh site conditions, their reinforced BACKBONE frame provides ultimate rigidity and vial retention. SHARPSITE vial technology ensures unmatched readability, while high-contrast vials remain easy to see and clean. With shock-absorbing end caps and over moulded grips, the level stays in place and protected, even on demanding jobs. Whether you're working vertically or horizontally, the precision-milled surface guarantees accuracy in every position. Features and Benefits Reinforced BACKBONE frame maximises durability and strength; ensures long-lasting performance SHARPSITE vial technology offers superior readability and vial protection in all conditions High-contrast, easy-to-clean vials enhance visibility for quick, accurate readings even in low light Precision-milled measuring surface delivers consistent accuracy in both standard and reverse positions Accurate