- Description
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                        Details50 x Black Nitrile Rubber O Ring Grommets Seal 4mm x 9mm x 2.5mm  Product Name Nitrile Rubber O Ring Material Nitrile Rubber Inside Diameter 4mm/0.16" Outside Diameter 9mm/0.35" Thickness 2.5mm/0.1" Color Black Weight 9g Package Content 50(±2%)x Nitrile Rubber O Rings 
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