Specifications Name:Motorcycle Clutch One-way Check Valve Pipe Valve Length: 52.8mm/2.1in Inner Diameter of Oil Inlet Pipe: 4mm/0.16in External Diameter: 6mm/0.24in Tube Thickness: 1mm/0.04in Length: 150mm/5.9in Inner Diameter of Oil Outlet Pipe: 5.5mm/0.22in External Diameter: 8mm/0.31in Tube Thickness: 1.5mm/0.06in Length: 360mm/14.17in Color: Silver Material:Aluminum+Rubber Type: Brake Bleeder Tool Placement on Vehicle:Front,Rear Package Includes 1PCS Motorcycle Clutch One-way Check Valve Pipe Applicable Suitable For Most Motorcycle Motorbike. Features l Excellent material selection, durable, all pipes are made of rubber (PVC material) l Compact in size and convenient to use l Thickened pipe wall for durability Warm tips 1.The dimensions are all manually measured and there may be some errors. Due to different lighting, there is a slight color difference.Please do not purchase if you mind 2.If you has any problem, please feel free to contact us.please let us know before you send us the neutral/negative feedback that wont help to finish the issues. And I will definitely try my best to provide the best solutions which would meet your satisfactory.