TAPE STRAIGHT LINE MARKING: Floor marking machine allows you to simultaneously apply two parallel lines quickly and easily from standing position. Say good bye to back pain caused from bending over while applying tape to the floor. Besides, to paint the masked line using a roller, which eliminates overspray. WORKING WAY: Uses two rolls of standard masking tape to simultaneously apply parallel borders quickly and easily from a standing position.a single person is able to quickly, easily and accurately use a standard tape to create clear, crisp aisle markings for fork lift lanes, convention center pathways andaisles. PERFECT CIRCLES: With the circle attachment, perfect circles are a snap! The telescopic tubing of line painting machine allows for adjustmentsto meet your required dimensions. From Basketball courts to playgrounds, hazardous areas to restricted accesses, the tape marking machine applies the same reliability. The line striping machine can marking straight line, semicircle and circle(with radius within 7m). HOW IT WORKS: Use two rolls of standard masking tape to quickly and easily stick parallel borders at the same time while standing. A single person can quickly, easily, and accurately use standard tape to create clear, crisp, aisle markings for elevator aisles, convention center aisles, andaisles. WIDE APPLICATION: The tape line marking tool can be used in basketball,badminton court,parking lots, warehouses, gyms, government buildings and more.Increase safety for workers and drivers by properly marking restricted areas, speed zones and hazard areas throughout entire facilities.