O-ring sealing ring 10 pieces 45 mm x 3 mm nitrile rubber black Product Name: O-ring; Material: nitrile rubber (NBR) Color: Black; Inner diameter: 39 mm Outer diameter: 45 mm; Thickness: 3 mm Weight: 14 g The O-ring is made of nitrile rubber, oil resistant, abrasion resistant and waterproof. Use in car components, machine components, and sanitary equipment, household electrical appliances, electrical instruments, etc. Package Included: 10 x O-rings 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. _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_ _x000D_