New Exclusive 2 in 1 Lathe Alignment Test Strip. One side shaft size - MT 3. Other side shaft size - MT 2. Realign the mount on your lathe to avoid that slight taper when turning over a long distance. Made from en31 alloy steel.This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Metalworking Equipment\Metalworking Lathes".tools" and is located in this country: IN.