This little beauty is from a world class factory! It features 3 3/8 inch t-slots for fastening the work to the table and is constructed of high density Meehanite casting. It is inspected by the HEIDENHAIN process and is guaranteed flat and parallel. Gear ratio is 90 to 1 and the worm is hardened and ground. The table is graduated a full 360 degrees and the micro adjust collar is graduated in steps of 1 minute. Vernier scale makes settings down to 10 seconds achievable. MT-2 center hole. We do offer tail stocks and dividing plates for these units as well. Unit is 3.11 inches high.