10PCS/Lot Nitrile Rubber Black NBR CS 1mm OD22/23/24/25/26/27/28/30/35/40/50*1mm O Ring Gasket Oil Resistant Waterproof.-.

10PCS/Lot Nitrile Rubber Black NBR CS 1mm OD22/23/24/25/26/27/28/30/35/40/50*1mm O Ring Gasket Oil Resistant Waterproof.-.

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