Features: Used to replenish oil for the ship's steering system fluid. The clear hose aids in seeing the flow of oil, it makes the bleeding and filling process easier and more effective. Fit for Seastar inboard, outboard hydraulic steering systems. Used for refilling your boat's steering system fluid. High-quality brass pipe fittings and PVC pipes ensure perfect mechanical and physical functions, with excellent oxidation resistance, corrosion resistance and durability. Keep entire steering system remains sealed during the exhaust process from end to end. One bridge tube screwed to the fuel tank, and one bridge tube connected to the bleed fitting. Specifications: Material: Polyurethane, Stainless Steel Color: Gold Tone, Black,Clear Black Tube: Length about 46cm/18.11in Yellow Tube: Length about 45cm/17.72in Product Size:20x14x14cm Package weight:150g Step: 1. Attach bottle to helm reservoir (do not pierce bottle)(do not let bottle run empty). 2. Connect bridge tube to fittings on steering cylinder and loosen fittings. 3. Use helm to pump fluid through system by turning the wheel in one direction. Air bubbles will be pushed to the reservoir at the helm. 4. Manually swing the outboard through full articulation to relieve trapped air. 5. Note: Orientating fittings up while pumping fluid with helm will allow air to escape cylinder. 6. Repeat 3-4 times necessary until no air is visible in bridge tube. 7. Tighten fittings before removing bridge tube. Package List: 1 x Bridge Tube 1 x Filler Hose with Screw Cap