This Bosch GLL100-40G Green-Beam Self-Leveling Cross-Line Laser is a powerful and reliable tool for any DIY or professional project. The laser level features a magnetic pivot bracket that allows for easy mounting on metal surfaces. It also includes a dust-proof design, making it perfect for outdoor use. It has a diameter of 1.37 inches, a height of 5 inches, and a width of 2.5 inches. The item weighs 1.26 pounds and is made of plastic composite and plastic materials. The Bosch GLL100-40G is an excellent choice for anyone in need of a high-quality laser level for their next project.