O-rings are made of nitrile rubber (NBR). Provides excellent resistance to acid, gasoline, oil, UV and heatCan be used in the temperature range: -30°C to +120°CMetric sizes from 3 to 50 mmFor use in pipelines, machinery, motors, hydraulics, plumbing and pneumatic machinesresistant to acid, gasoline, heat and oil made of NBR, not suitable for drinking water includes the following: O-rings20 pcs.Ø 3 mm, thickness 1.5 m - 20 pcs.Ø 4.5 mm, thickness 2 mm18 pcs.Ø 18 mm, thickness 2 mm23 pcs.Ø 7 mm, thickness 1.5 mm23 pcs.Ø 10 mm, thickness 1.5 mm23 pcs.Ø 13 mm, thickness 1.5 mm14 pcs.Ø 10 mm, thickness 2.5 mm13 pcs.Ø 11 mm, thickness 2.5 mm14 pcs.Ø 16 mm, thickness 2.5 mm14 pcs.Ø 18 mm, thickness 2.5 mm13 pcs.Ø 19 mm, thickness 2.5 mm14 pcs.Ø 21 mm, thickness 2.5 mm - 13 pcs.Ø 22 mm, thickness 2.5 mm - 10 pcs.Ø 18 mm, thickness 3.5 10 pcs.Ø 20 mm, thickness 3.5 mm - 10 pcs.Ø 22 mm, thickness 3.5 mm - 10 pcs.Ø 23.5 mm, thickness 3.5 mm - 10 pcs.Ø 25 mm, thickness 3.5 mm - 10 pcs.Ø 26.5 mm, thickness 3.5 mm - 10 pcs.Ø 28 mm, thickness 3.5 mm - 10 pcs.Ø 30 mm, thickness 3.5 mm - 10 pcs.Ø 31 mm, thickness 3.5 mm - 10 pcs.Ø 33 mm, thickness 3.5 mm - 10 pcs.Ø 34.5 mm, thick