Overview: The TOPEX CROSS DISTANCERS-100PCS 4mm is a set of 100 cross line lasers, designed for accurate distance measurement and alignment. These hardware tools are perfect for builders, contractors, and DIY enthusiasts. Benefits: - High accuracy: The 4mm measurement ensures precise alignment and distance measurement. - Durable: Made with high-quality materials, these cross line lasers are built to last. - Versatile: Ideal for a wide range of applications, including construction, carpentry, plumbing, and electrical work. - Easy to use: Simple and intuitive operation, with a user-friendly design. Usage: The TOPEX CROSS DISTANCERS-100PCS 4mm can be used for various tasks, such as aligning walls, floors, and ceilings, leveling cabinets, and installing doors and windows. These cross line lasers are also useful for setting out and transferring measurements, ensuring accurate and efficient work. Needs: - A level surface to place the cross line lasers. - A power source (batteries) to operate the device. - A clear line of sight for accurate measurement and alignment. - Protective eyewear to ensure safe use.