20mm ID x 21mm OD x 0.5mm CS Nitrile Butadiene Rubber O-Ring 20 Pcs

Inner diameter: 20 mm
Outer diameter: 21 mm
Cross section = 0.5 mm
Quantity: 20 Pcs
Please note that the product picture is for reference purposes only and may not depict the exact item and size you are purchasing.
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