5/10PCS Pneumatic pc4 6 8 10 12mm Hose Tube Black Air Hose Fittings Connector Quick Coupling M5 1/4 1/2 1/8 3/8 Male Thread

5/10PCS Pneumatic pc4 6 8 10 12mm Hose Tube Black Air Hose Fittings Connector Quick Coupling M5 1/4 1/2 1/8 3/8 Male Thread

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