Functions:
    ● Generating a crystal-clear red baseline on the surface of object
    ● Operating in 360°with the base capable of rotation
    ● Easy installation with the attached metal rivet
    ● Magnetic connection between the operation device and base for convenience
    ● Easy to operate and light to carry
Application:
    ● Construction and indoor decoration
    ● Manufacturing doors and windows
    ● Installation of mechanical or electrical equipment
    ● Quality inspection of construction projects