The Robinair Tubing Flaring Tool 12877 is a high-quality hand tool designed for flaring tubing with sizes ranging from 3/16 to 5/8 inches. Made by the reputable brand Robinair in the United States, this tool is essential for automotive mechanics and repair professionals who work on fuel systems. With precise hole sizes and a durable construction, this flaring tool ensures accurate and efficient flaring of tubing for a perfect fit and secure connection.