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Storehouse Metric O-Ring Assortment$9.99
This high-quality O-ring assortment contains the most popular metric O-rings, ranging in size from 1.9 mm ID x 2.8 mm OD to 3.5 mm ID x 47.7 mm OD. Made from nitrile rubber, these durable metric O-rings resist oils, hydraulic fluid, and water. The set comes organized in a custom storage case with O-ring gauge.