Tandem Axle Brake Line Kit Add On New Tie Down Engineering Brake Line kit Add On. This brake line kit is designed to be used with the Tie Down Engineering Brake Line Kit # 80326. Kit includes: 2- 24" DOT flex hose, 1- 76" DOT flex hose, 1 - 38" DOT flex hose, 4-cable ties, 2-Union "T" connectors, 2 "T" clamps, 8-self taping screws 2 cable clamps. If you have any questions about this item or to pay for your purchase via credit card, please contact us at 508-791-4917. Thanks For looking!