Inflatable Boat Kayak Exhaust Valve Wrench Canoe Air Pressure Control Spanner N10 Dropship Safety Valve

The function of the bleed valve: the gas in the ship is automatically deflated to a certain pressure to reduce the internal pressure of the hull to protect the hull. Function of the relief valve wrench: installation and removal of the relief valve.Description Type Bicycle saddle Material polyurethane Applicable models mountain sports cars size one size Color 189 black red 189 black blue 188 black red 188 black blue Package List 1 seat Note The colors deviation might differ due to different monitor settings Manual measuring please allow 1 3mm errorthank you