This genuine Granit O-ring, part number 5700700X4010, is crafted from high-quality NBR 70 (Nitrile Butadiene Rubber with 70 Shore A hardness), ensuring excellent resistance to oils, fuels, and hydraulic fluids. With an inner diameter of 70mm and a cross-sectional thickness of 4mm, it provides a robust and dependable seal across a wide range of agricultural, construction, and industrial machinery applications. This product is supplied in a packaging unit of 10 O-rings, offering convenience and value.