SODIAL(R) 10 Pcs 60mm x 3.5mm Mechanical Nitrile Rubber O Ring Oil Seal Product Name : Oil Seal O Ring;Material : Nitrile Rubber External Diameter : 60mm / 2.36";Inner Diameter : 53mm / 2.08" Thickness : 3.5mm/0.14";Color : Black Weight : 24g Package Content : 10 x Oil Seal O Rings