Assorted O-Ring Kit, Buna-N, 375 Piece per Pack

This versatile O-ring set is perfect for auto technicians and mechanics, offering reliable seals for hydraulic pumps, cylinders, connectors, and valves. Made from durable Buna-N synthetic rubber, these rings resist oil, fuel, chemicals, and extreme conditions. With 30 sizes included, the 375-piece assortment helps to ensure the right fit for any job. A 32-compartment storage drawer keeps everything organized and easily accessible. Includes inner diameters of 3 mm to 44 mm and thicknesses of 2 mm to 4 mm.