Durable & Portable: Made with a robust aluminum hexagonal profile for enhanced durability, and comes with a storage bag for easy carrying. Extendable & Foldable: This telescopic leveling staff extends up to 5m (16ft) and folds down to 1.2m (4ft) for convenient storage and transportation. Precise Graduations: Features a red/black E graduation for accurate leveling on one side for measuring levelling. The other side has size scale for measuring height. Secure Locking Mechanism: When each section is fully extended, use the locking push buttons to lock the leveling staff into position to ensure stable and safe use. Bubble Level: Includes a bubble level to ensure the over centre arm is level and the stick is straight when measuring., Weight: 2.774738029532 Pounds, Manufacturer: QWORK