... and water Includes poly storage case with O-ring gauge This high quality O-ring assortment contains the most popular metric O-rings ... set comes organized in a custom storage case with O-ring gauge.•Nitrile rubber construction•Resists oils, hydraulic fluid and water•Includes ... poly storage case with O-ring gaugeO-ring sizes: P3 thru P9, P10.4, P11, P12, P14 ...