Feature:1. Durable Metal Material: The brake cage bolt is made of premium metal, with high physical strength and long-lasting durability.2. 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.3. 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.4. Compatibility: This brake cage bolt is suitable for most spring brakes and semi-trailer trucks.5. Package Included: The package comes with four brake cage bolts, ensuring you have enough supply for multiple uses or replacements.Specification: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 BoltMain Material: MetalPerfect Replacement: 800921, TR800921Color: GoldPackage Information: Package Size: 14*10.5*3.5cm/5.51*4.13*1.38inchPackage Weight: 481g/1.06lbPackage List:4 * Brake Cage BoltPackage List:4 * Brake Cage Bolt