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 easy 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 (away from the caliper) to effectively prevent air backflow, ensuring the brake fluid system remains clean and bubble-free for safe and reliable braking performance. Aluminum Shell and Flexible Hose: The valve shell is made of high-strength aluminum, resistant to brake fluid corrosion and lightweight for convenient use. Clip-On Quick Connection: Features an innovative clip-style interface that allows quick connection to the brake or clutch bleeder without tools. Recommended to use with a hose clamp for double sealing and leak prevention. Compatible with most vehicle models. Four-Step Efficient Bleeding Method: 1. Loosen the bleeder screw 2. Connect the hose 3. Slowly press the brake pedal to expel air bubbles 4. Refill brake fluid as needed Simple operation enables complete removal of air from the brake system, ensuring responsive braking. Suitable for beginners and professionals alike. Packing List: 1 or 2 pcs * Brake Bleeder Hose One Way Check Valve