Precisions : left/right up to 4.3cm, vertical up to 9cm, and angles up to 40°, with fine tuning knobs for millimeter levels positioning in complex installation scenarios. Smooth Rotation : Features a swivels base that rotates freely 360 Degree, combined with a levels bubble and mounting slot for quick calibration, ensuring accurate lines projection. Strong Clamping Compatibility : Includes metal/ clamps that securely grip poles or supports up to 5cm thick, suitable for various levels for stable operations in tight spaces or elevated work. Interfaces Design : Equipped with 6mm and 15mm adapters to connecting different levels and extension poles directly, eliminating the need for extra accessory. Engineering Structure : Made from high strength ABS or metal clamps, light weight for portability and long term use in plumbing, carpentry, and renovation projects., Weight: 0.771617917 pounds, Manufacturer: OOLA.DETAL