【GOOD SEAL】- These glad hand gaskets are fine workmanship, soft touch and smooth surface, provide good seal and compatibility. Each seal is perfect for all standard glad hands. And our seals with a tapered base for easy installation, just insert the bottom part to the glad hand. Perfect for your truck.【LONG SERVICE LIFE】- These glad hand o rings are made of high quality rubber. They're durable, good elasticity, high toughness, good torsion and tear resistance, resist oils, chemicals and water. the o-rings have good aging resistance, work well under long-term weather changes.【20 PIECES PACK】- Glad hand seals bulk, they are packed in a fine bag. Abundant quantity can meet various use and replacement requirements in your daily work, and you can also share them with others. Carry seals with the vehicle and replace them immediately when necessary.【WIDELY USED】- These round rubber glad hand seals are suitable for most industry standard gladhands, they are compatible with Tramec 36001 Tectran 10111 Haldex 10028 Phillips 12-012 Velvac 035007 Sloan Cross 441714 and so on.【SATISFACTION GUARANTEE】- For whatever reason, if you are not satisfied, you can contact us for replacement or full refund. Please rest assured purchase. Product Description EASY TO INSTALL Our seals with a tapered base for ease of installation. Glad Hand 3 Pair / 1 Pair 1 Pair / 1 Pair Rubber Seal 12pcs 55pcs 4 4pcs / 4pcs Handle / / 1 Pair / 1 Pair /