EASY TO USE:The tape marking machine is designed to be simple and easy to use. Its intuitive design allows you to quickly and easily mark two parallel lines from a standing position. With the index on the front wheel, simply follow the previously marked line for precise alignment. BUILD YOUR OWN BACKYARD BASKETBALL COURT: Use the Basketball Court Marker Kit to draw your own half-court basketball court - free throw line, top of the key, and three-point line, perfect for outdoor courts, setting up a basketball court in your driveway, home gym, or local park, works best on asphalt or concrete driveways. Perfect line marking: Once you have received your shipment, simply install the wheel. Place the tape and with the included circle attachment, the tape marking machine allows you to draw precise arcs or circles. The screw between the front wheels can be adjusted to achieve the desirable convexity for perfect circular marking. WIDE APPLICATIONS: Tape marking tools can be used on basketball courts, badminton courts, parking lots, warehouses, government buildings and more. Worker and driver safety can be improved by properly marking off-limits, speed zones and hazardous areas throughout the facility. QUALITY SERVICE: With stainless steel body and high quality rubber rollers, this machine is designed to be sturdy and durable to ensure long term use. If you have any questions, you can contact us anytime, we will provide you with the best quality service.