ITEM NAME:110mm x 5mm Black Rubber Industrial Flexible O Ring Seal Washer D1Q3 110mm x 5mm Black Rubber Industrial Flexible O Ring Seal Washer D1Q3 Resist oils, hydraulic fluid and water. used on automotive components, machinery components, medicial and bathroom facilities, household electrical appliances and electronic instruments, etc. Product Name : Rubber O Ring Material : Rubber Inside Diameter : 100mm/3.9" Outside Diameter : 110mm/4.3" Thickness : 5mm/0.2" Color : Black Weight : 10g Package Content : 1 x Rubber 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.