Features:
Keyless Drill Chuck Capacity, 1/2", and it's integrate with CAT40 holder into one piece
Drill chuck has very strong holding power.
All Jaws are Hardened
CAT40 and drill chuck are integrated together, it's a solid one piece, not J6 or J33 tapper connection.
V-Flange CAT 40 is production balanced and meet standard industrial needs
Include a either HAAS or Mazak style pull stud, and ready to be used on those two machines
Premium quality at reasonable price