THE PHASE II 250-410 TOOL POST HOLDER IS DESIGNED FOR KNURLING, TURNING, AND FACING APPLICATIONS. THIS HOLDER SUPPORTS A LATHE SWING CAPACITY OF 14 TO 20 INCHES, WITH A MAXIMUM TOOL CAPACITY OF 1 INCH. THE MEASURED DIMENSIONS OF THE UNIT ARE 5 INCHES IN LENGTH, 1-3/4 INCHES IN WIDTH, AND 4-1/2 INCHES IN HEIGHT INCLUDING THE SCREW POST, OR 2-3/4 INCHES IN HEIGHT WITHOUT THE POST. THE PART NUMBER FOR THIS COMPONENT IS 250-410.