Smooth Rotation: Features a swivels base that rotates freely 360 Degree, combined with a levels bubble and mounting slot for quick calibration, ensuring accurate lasering lines projection Strong Clamping Compatibility: Includes metal / clamps that securely grip poles or supports up to 5cm thick, suitable for various lasering levels for stable operations in tight spaces or elevated work Interfaces Design: Equipped with 6mm and 15mm adapters to connecting different lasering levels and extension poles directly, eliminating the need for extra accessory 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 Engineering Structure: Made from high strength ABS or metal clamps, light weight for portability and long term use in plumbing, carpentry, and renovation projects, Manufacturer: Qusinfc