Storehouse 397 Piece Metric O-Ring Assortment

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.