ITEM NAME:10 Pcs 16.5mm x 11.2mm Flexible Rubber O Ring Oil Seal Gaskets Black Q5I1 10 Pcs 16.5mm x 11.2mm Flexible Rubber O Ring Oil Seal Gaskets Black Q5I1 This oil seal O ring is made of rubber material, round section, easy to install. Applications: automobile, electrical appliance, mechanical, industrial, construction, household, and other fields. Product Name : Oil Seal O Ring Material : Rubber External /Inner Diameter/Thickness :16.5*2.65*11.2mm Color : Black Weight : 4g Package Content : 10 x Oil Seal O Rings 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..This oil seal O ring is made of rubber material, round section, easy to install. Material : Rubber.