👍【High Quality Rubbers】These gladhand seals are made of high-quality rubber materials and have undergone exquisite technical processing to not only ensure the elasticity of the seals, but also make the black rubber glad hand seals more durable. 👍【Perfect Performance】The surface of the glad hands seals for semi trucks has been oil-treated, which greatly improves the performance of the product, making it more lightweight, flexible, corrosion-resistant, oil-resistant, chemical-resistant and waterproof. 👍【Easy Installation】Our glad hand rubber seals have a tapered base to make them easy to install. Each seal is designed to fit perfectly with all standard gladhands, providing a tight and seamless fit, and can be easily applied to your glad hands. 👍【Wide Application】These glad hand lock seals are suitable for most industry-guaranteed gladhands. They are compatible with Tramec 36001, Tectran 10111, Haldex 10028, Sloan Cross 441714, Phillips 12-012, Velvac 035007, etc., and should be spared on trucks all year round for emergencies. 👍【100% Guarantee】The quality of the glad hand rubber seals is guaranteed. If you encounter any problems after received it, you can consult us at any time. If you are not satisfied with the product, you can also return it for no reason. Rubber Glad Hand Seals