Accurate Measurement 3 bubble levels guarantee precise readings for horizontal and vertical alignment. The 12 x 7 x 10 cm active tube angle meter features clear indicators to deliver reliable results on construction sites or DIY projects. Sturdy and Long Lasting Construction Made from durable plastics with a rugged design that resists wear, suitable for extended use in demanding environments. Magnetic Attachment for Metal Surfaces Built in magnets allow secure mounting on steel posts, pipes, or frames, enhancing stability during angle measurement tasks. User Friendly Design Lightweight ergonomic shape reduces fatigue during prolonged use, and the intuitive layout makes it easy for users of all skill levels to achieve accurate leveling. Use scenarios Construction sites: align wall plates, verify plumb, and ensure true horizontal or vertical alignment during framing. Home improvement or DIY projects: hang cabinets, level shelves, and install fixtures with dependable accuracy. Metal fabrication or workshop tasks: attach to steel beams or frames with magnets for quick, stable angle reference.