The Milwaukee® REDSTICK™ compact box levels provide industry-leading performance with best in-class vial readability, frame durability and magnet strength. SHARPSITE™ vial Technology provides best in-class readability with a magnified bubble and high visibility vial spirit. Amplified rare earth magnets maximize holding power. The Milwaukee® REDSTICK™ compact box levels are backed by a lifetime accuracy guarantee and a limited lifetime warranty.