A used lathe 4 jaw chuck with 3/4-16 threads in center. I believe it might fit an old shopsmith lathe. It’s old and has rust. I do not have the key for it. The item “Shopsmith lathe chuck metal wood 3/4-16″ is in sale since Sunday, May 21, 2017. This item is in the category “Home & Garden\Tools\Power Tools\Lathes & Accessories”. The seller is “cactusman11″ and is located in Apache Junction, Arizona. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia.