ITEM NAME:5X(Black 190mm x 5.7mm Thickness Nitrile Rubber O Ring Oil seal Gasket I2Z2) 5X(Black 190mm x 5.7mm Thickness Nitrile Rubber O Ring Oil seal Gasket I2Z2) 5X(Product Name: O Ring; Material: Nitrile Rubber (NBR) Outer diameter: 190mm / 7.48 inch; Inner diameter: 178.6mm / 7.03 inch Thickness: 5.7mm / 0.22 inch; Color: Black Weight: 20g Description: Properties: high temperature resistance, resistance to UV, ozone resistance, wear resistance. Applications: automotive, electrical appliance, mechanical, industrial, construction, household, and other fields. Package Content: 1 x NBR O Ring Only 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.).Properties: high temperature resistance, resistance to UV, ozone resistance, wear resistance.