The collet sleeve/adaptor is for MT3 spindle sizes. This setup is from a Powr-Kraft Model #15TLC-2130 metal lathe. Please view the dimensions as it may work with other lathes. If the total length of your spindle is 12 3/4" to 13 1/8", and it is MT3 tapered, then this setup should work with your lathe. The Precision 3AT collet sleeve also works for 3C collets and Rivett 3SB collets.
If you have any questions or would like additional photos, please feel free to contact me. The item "Powr Kraft / Logan 10 Metal Lathe Collet Closer Drawbar + 3AT Collet Sleeve MT3" is in sale since Tuesday, May 18, 2021. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Chucks\Collet Chucks".
The seller is "romochka1970" and is located in Bothell, Washington. This item can be shipped to United States.