Features and Benefits:�Straighten 3/16" brake and fuel lines with this durable, compact tool�Nylon reinforced plastic exterior houses 4 sets of precision rollers to straighten kinked and coiled lines for better fluid flow�This easy-to-use tool will help remove bends and kinks on all kinds of metal tubing including steel, stainless steel, copper, aluminum, and more�Insert the tubing and roll through the rollers for straight, easy to use, tube that�s easy to index and measureStraighten brake and fuel lines with this durable, compact tool. Nylon reinforced plastic exterior houses 4 sets of precision rollers to straighten kinked and coiled lines for better fluid flow. This easy-to-use tool will help remove bends and kinks on all kinds of metal tubing including steel, stainless steel, copper, aluminum, and more. Insert the tubing and roll through the rollers for straight, easy to use, tube that�s easy to index and measure.