3 jaw self centering scroll chuck with removable/reversable top jaws.  1.625" bore.  Front mounting bolts included. 
 
If ordered as a part,  the chuck will come mounted to a 10" slotted table that can be bolted to the existing table or bolted directly to your spindle on a Lima Model XT-100 or XT-200.   If ordered with a new positioner, the standard table will come pre drilled and tapped to accept the chuck.
 
Pictured mounted to a 10" slotted table.