[High Quality]This line assembly is made of premium quality rubber, Compatible with ethanol blended fuels, engineered low permeation material prevents evaporation. [Size]Universal 6 FT Outboard line, Hose inner diameter: 3/8inch (10mm), outer diameter: 5/8inch (16mm). [Wide Application]This line siphon pump can transfer , , Liquids. Suitable for Boats, RVs, Tractors, Caravans, Motorcycle, Jeski, Lawn Tractor, Lawn Mower, Snow Blower. [Easy to Use]Put the transfer hoses in where you want them and pump the hand pump and it draws out all the fluid. This siphon pump made it effortless to empty out my tanks. [Advantage]Outboard motor line with bulb check valves allow priming in multiple orientations without restricting flow. [Note]This boat line with primer bulb is made of rubber product, please do not store this item under direct sunlight or other rough environment. Color: Black Material: Rubber Package Contents: 1 x Line Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.