4 Pack Brake Cage Bolt for Semi Truck Air Spring Brake, Release Bolt Cage Bolt Replacement for Bendix 800921, TR800921 Features: Metal Material: The brake cage bolt is made of premium metal, with high physical strength and long-lasting durability. Functionality: This bolt allows for manual release of a spring brake on a truck or trailer with air brakes, providing you with direct control and enhancing the safety of your vehicle. Ease of Use: The brake cage bolt allows for convenient brake maintenance and vehicle movement. After releasing the brake, it can be easily fixed on the side of the brake, simplifying the process and saving time. Compatibility: This brake cage bolt is suitable for most spring brakes and semi-trailer trucks. Package Included: The package comes with four brake cage bolts, ensuring you have enough supply for multiple uses or replacements. Specifications: Item Name: Brake Cage Bolt Main Material: Metal Perfect Replacement: 800921, TR800921 Color: Gold Package Information: Package Size: 14*10.5*3.5cm/5.51*4.13*1.38inch Package Weight: 481g/1.06lb Package List: 4 * Brake Cage Bolt