Tape straight line marking:Floor marking machine allows you to quickly and easily apply two parallel lines at the same time from a standing position. Say goodbye to back pain caused by bending over while applying tape to the floor. In addition, to paint the masked line with a roller, which eliminates overspray. Process:Uses two rolls of standard masking tape to quickly and easily apply parallel edges from a standing position. One person can quickly and easily use standard tape to create clear, clear, and durable aisle markings for forklift paths, convention center paths, and hospital aisles. Wide Application:The tape line marker tool can be used on basketball courts, badminton courts, parking areas, warehouses, gyms, government buildings and more. Increase employee and driver safety by properly marking off restricted areas, speed zones and hazard zones throughout the building. Adjustable width:The height of the handle is 80 cm, the single wheel is 14 cm, the total width is 31 cm. The maximum width of a single roll tape machine is 14cm, and the distance can be adjusted from 4 to 28cm. And there is a long pointer to follow your chalk line. Perfect circles: With the circle attachment, perfect circles are a breeze! The telescopic tube allows adjustments to meet your desired dimensions. From basketball courts to playgrounds, dangerous areas to restricted accesses, the tape marking machine wields the same reliability.