Product Specifications: Product Weight: 30g Material: Aluminum Size: As shown Color: Silver Product Name: Brake Bleeder One Way Valve Humanized Accessory Set: The brake bleeder one way check valve comes with 2 spare bleed nozzle nuts. The complete tool set is lightweight and portable. Featuring a basic yet professional-grade design, it is an essential tool for auto repair shops and DIY car owners. Flexible Hose Design: The hose can be easily bent to adapt to different angles, allowing for convenient disassembly and improved brake system bleeding efficiency. One-Way Valve Prevents Backflow: Built-in high-quality one-way check valve. Install in the direction of the arrow mark (away from the caliper) to effectively prevent air backflow, ensuring the brake fluid system remains pure and bubble-free for safe and reliable brake performance. Aluminum Shell and Flexible Hose: The brake bleeder hose features a high-strength aluminum shell resistant to brake fluid corrosion. Lightweight and durable construction ensures long-term use. Clip-On Quick Connection: Innovative clip-style interface allows quick connection to brake or clutch bleeders without tools. Recommended to use with a hose clamp for double sealing and leak prevention. Compatible with most vehicle models. Efficient Four-Step Bleeding Method: Loosen the bleeder screw, connect the hose, slowly press the brake pedal to expel air bubbles, and refill brake fluid as needed. Simple operation enables complete removal of air from the system, ensuring responsive braking performance—even beginners can perform this process with ease. Packing List: 1 or 2 pcs * Brake Bleeder Hose One Way Check Valve