The Milwaukee REDSTICK Box Levels provide industry-leading performance with best-in-class vial readability, frame durability and magnet strength. The ALL-METAL BACKBONE provides the strongest, most durable frame ensuring long-life accuracy. 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 Box Levels are backed by a Lifetime Accuracy Guarantee and a Limited Lifetime Warranty. The 48 in. Storage Bag has 3 pockets that fit Up to 48 Milwaukee Box or Compact Box, up to 24 Milwaukee Box or Compact Box and a Milwaukee Block or Billet Torpedo. Made from tough, water resistant nylon with all metal hardware and durable zipper closures to ensure ultimate durability on the jobsite. Includes 2 integrated carrying handles that can also act as hang handles for easy transport and storing. Includes external storage and integrated tool loops for additional storage of tools and/or building materials. Material: Aluminum.