Seller: onabranch (2,021) 99.8%, Location: Hoyleton, Illinois, Ships to: US, Item: 152336007185 Very interesting 5.5" diameter gear turn knobs. These are threaded and come with bolt that fits them. Great for so many purposes. Coat Hook. Industrial hooks. They just have the perfect look for so many projects. Pieces like this are hard to find. Don't miss these perfect pieces for your project or idea!