These brand new 1 piece aluminum shaft collars are made from top-quality material and manufactured in the United States. They come with a plain finish and are guaranteed to provide a strong and sturdy hold. Slide over shaft and screw in the included socket head cap screw to tighten. These collars come from Holo Krome Manufacturing Company in Hartford, Connecticut. We have been supplying the world with fasteners for over 75 years, so buy with confidence. Select your size and order safely with fast free shipping. These can be found in any Screws & Bolts and Fasteners & Hardware categories.