High-efficiency parallel line marking: This floor marking machine allows you to operate while standing, quickly and easily drawing two parallel lines simultaneously, reducing back strain caused by bending over. It also supports the use of roller spraying to mask out lines, preventing over-spraying. Adjustable width and design: The machine features an 80cm long handle, a 14cm single wheel, and a total width of 31cm, with spacing adjustable from 4cm to 28cm. A long pointer aids in precise alignment along chalk lines. Easily draw perfect circles: This tool comes with a circle attachment, making it easy to draw perfect circles. The telescopic tube is adjustable in size, suitable for various applications from sports fields to narrow areas. Easy to use: Using two rolls of standard masking tape, you can quickly and accurately create parallel boundary lines while standing. A single person can create clear, neat, and durable aisle markings in various environments. Versatile applications: This tape marking tool is ideal for use in basketball courts, badminton courts, warehouses, stadiums, government buildings, and other similar locations. It accurately marks restricted areas, speed limit zones, and hazardous areas, thereby improving safety.