Product name: Nitrile rubber O-ringMaterial: nitrile rubber (NBR)Thickness: 5 mmColor: BlackInside diameter: 160 mmOutside diameter: 170 mmWeight: 32 gPackage content: 2 x nitrile rubber O ringOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.
