This acorn nut with a beveled end is designed for use with Rainbow Model D3C vacuum cleaners. It is made of brass and is manually powered. This nut is compatible with Rainbow vacuum cleaner canisters/cylinders and comes with a set of one. This nut is ideal for those who want to replace their vacuum cleaner's acorn nut or add an extra one to their collection. It is a high-quality product and is available in a beautiful brass color. Upgrade your Rainbow Model D3C vacuum cleaner with this acorn nut today.