[Function]The clear hose aids in seeing the flow of air , it makes the bleeding and filling process easier and more effective, the entire steering system is always sealed during the deflation. Hydraulic steering filler kit helps to easily change the fluid in your boat while keeping things clean. Without this tool, filling could be time consuming and messy. [Universal Configuration] Hydraulic steering tube is compatible with Sea star hydraulic steering systems, sterndrive, and inboard hydraulic helms. Used for most outboard, inboard/outboard, inboard hydraulic steering kits. [Rustproof & Non-] All of the interface within the kit is brass and the transparent tube is made of PEV material. with good waterproof, and flame retardant insulation. The design of the screw can the seal. These materials all have the characteristics of good stability, heat resistance, and corrosion resistance.Hydraulic steering kit has an long service life even when used in wet environments such as the ocean. [Custom Installation]Hose with screw cap fits for Sea star or equivalent oil bottles. End of tube includes fitting which screws into the helm pump. Custom bridge tube connects bleed ports on steering cylinder. Raw material ribbon color is random, don't accept the specified color Colour:gold+transparent Material:plastic+metal Package Contents: 1 x Hydraulic Steering Bleed Kit 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.