Enhanced Work Efficiency: The Laser Target Ruler is designed to boost productivity and minimize errors, ensuring precise level every time. Aluminum Alloy Construction: Made with a thickened aluminum alloy, the ruler is drop-, wear-, and for easy portability. Double-Sided High- Scale: Featuring a high-definition, double-sided scale, allows for quick accurate measurements and level finds. Robust Magnetic Base with Level: Equipped with a strong magnetic base and convenient , this ruler can be positioned quickly and accurately. Versatile Tool Compatibility: Suitable for alignment laser level, crosshair laser, rotary laser, laser measurement. perfect floor and ceiling installation., Weight: 1.08467432904 Pounds, Manufacturer: Aisuoka