This excellent set for repairing damaged crankcase plugs consists of 4 helicoils, 20 oil plugs, and 40 aluminum washers, accompanied by a plastic air compressor case and is ideal for repairing crankcase, gearbox, and differential threads. This kit provides you with oil plugs with new larger threads as well as replacement oil plugs, for use when the existing threads are damaged or worn. It is suitable for most threads used in cars and light commercial vehicles such as Audi, VW, BMW, Citroen, Fiat, Ford, Seat, Honda, Mazda, Mitsubishi, Opel, Peugeot, Renault, Toyota, and Volvo. Made from high-quality materials, the set is designed for long-lasting durability during everyday use in the workshop. All tools are provided in a plastic air compressor case for easy storage and transportation.