Brake Master Cylinder Bleeder Kit: Your Complete Solution for Professional & DIY Brake System Bleeding Product Attributes Colors: Red, Blue, Black Sizes: Hose Length: 21.00 inch / 21.85 inch, OD: 0.25 inch, ID: 0.16 inch Tee: 0.64*0.24 inch Clamp: 1.23*0.64 inch 7pcs Red SAE Connector (Hight*Thread Diameter): 1.30*0.53 inch / 1.30*0.53 inch / 1.30*0.48 inch / 1.17*0.39 inch / 1.18*0.35 inch 5pcs Blue Metric Connector (Hight*Thread Diameter): 1.26*0.45 inch / 1.26*0.37 inch / 1.25*0.41 inch / 1.26*0.37 inch / 1.26*0.3 inch Weight: 3.94 oz Material: PVC, PA66 Packaging: 2*Hose, 2*Clamp, 12*Connector, 4*Tee Package Sizes: 7.28*5.33*0.7 inch OEM Numbers: Replacement OEM# 13911 Product Feature & Functions 1. Rapidly purges air from the master cylinder, significantly restoring and optimizing brake efficiency and pedal feedback 2. Precisely equipped with metric (blue) and SAE imperial (red) threaded fittings, color-coded for instant visual identification during operation 3. Hose constructed from high-toughness PVC for flexible bending in confined spaces; all fittings manufactured from high-strength PA66 nylon with excellent oil resistance and compressive strength