ITEM NAME:135 mm x 3.5 mm Flexible Rubber O-ring Seal Gasket Seal Black F6H1 135 mm x 3.5 mm Flexible Rubber O-ring Seal Gasket Seal Black F6H1 Product Name: Oil Seal O-ring; Material: rubber Thickness: 3.5mm; Color: Black OUTSIDE: 135 mm; The inner diameter: 128 mm (5.04 inches ) Weight: 6 g Package Content: 1 x Shaft Seal 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.