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 professional-grade design, it is suitable for automotive repair shops and DIY car owners. Flexible Hose Design: Equipped with a flexible hose that can be easily bent to adapt to various 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, helping maintain a bubble-free brake fluid system and ensuring brake system safety and reliability. Aluminum Shell and Flexible Hose: The brake bleeder hose one way check valve features a high-strength aluminum shell resistant to brake fluid corrosion and provides a lightweight construction. Clip-On Quick Connection: Features a clip-style interface for quick connection to brake or clutch bleeders without tools. For best results, use with a hose clamp to ensure a secure seal and prevent oil leakage. Compatible with most vehicle models. Four-Step Efficient Bleeding Method: Loosen the bleeder, connect the hose, slowly press the brake pedal to expel air, and refill brake fluid as needed. This simple process helps remove air from the brake lines, ensuring responsive braking performance and enabling even beginners to perform effective brake maintenance. Packing List: 1 or 2 pcs * Brake Bleeder Hose One Way Check Valve