Features: The lasers level holder features a magnetic suction cup and 360 degree rotating base, for precise alignment on any smooth surfaces. Crafted from aluminum alloy, this tool includes 1/4"-20 external thread and 5/8"-11 adapters to secure mounting various instrument without additional brackets. Its enables quick setups on metal surfaces, glass, or ceilings while maintaining lasers accuracy across multiple angled applications. The suction cup is crafted from silicone and can support weights up to 40 pounds, ensuring your lasers level is firmly in place on smooth surfaces such as glass, tile and metal. It also comes with a protective cover to extend the life of the suction cup. It is ideal for floor and wall tiles, chandeliers and installations, wall art, air conditioning installation, door and window calibration and building structure measurements. Specifications: Component:aluminum alloy Support length: 20.8cm Suction cup diameter: 11.8cm Package Includes: 1pcs Magnetic Suction Cup Mount note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.