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![NBR O-ring 20.35 x 1.78mm (OD 23.91mm) 70 Shore A [100 Pieces]](/web/image/product.product/149685/image_1024/%5BS23K7-X100%5D%20NBR%20O-ring%2020.35%20x%201.78mm%20%28OD%2023.91mm%29%2070%20Shore%20A%20%5B100%20Pieces%5D?unique=1df21ac)