Efficient dual-line marking: This ground marking tool allows you to draw two parallel lines simultaneously from a standing position without bending over, significantly reducing back strain and improving efficiency. Easy to use: The design is simple and uses standard masking tape rolls, which can quickly and accurately draw parallel lines, making it ideal for easily marking passageways in various places such as hospitals, conference centers, and elevator lobbies. Versatile applications: Suitable for various locations, including sports fields, parking lots, warehouses, and gymnasiums. It helps mark restricted areas, speed-limited areas, and hazardous areas, thereby improving the safety of all personnel within the premises. Adjustable features: Equipped with an 80 cm long handle and 14 cm long wheels, the adjustable pitch ranges from 4 to 28 cm, suitable for measuring tapes up to 14 cm wide. The included long pointer ensures precise line following and easy drawing of straight line marks. Circular marking function: Equipped with a circular attachment, it allows for drawing perfect circles and is adjustable to various sizes. This function is extremely useful for sports fields and playgrounds, enabling the creation of clear and durable tape markings in any desired shape.