Features: Hard anodized coating for exotic fuel additives. Made using aluminum alloys that meet or exceed the minimum requirements for hose fittings. Each component is precision machined to exact tolerances for trouble-free operation. Prevents backflow into the tank and keeps it in the pipeline. Suitable for carburetor and low-pressure system, resistant to diesel engines, , and aging. Specifications: Material: Aluminum Size: Approx. 10.5 x 3 cm / 4.13 x 1.18 in. Applicable models: AN6/AN8/AN10/AN12 Package includes: 1 x VALVEN shut-off. Note: 1. Please allow 1-2 cm errors due to manual measurement, please note. before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you for your understanding.