3/4″ X 1.38″ ER11 STRAIGHT SHANK COLLET CHUCK ATC HOLDER

3/4″ X 1.38″ ER11  STRAIGHT SHANK COLLET CHUCK EXTENSION HOLDER

The flange is 1.5″ with groove  for TTS Tormach  machine

Made from alloy steel and hardness is HRC55

Coolant thru all the shank with M16 drawbar thread

Nut included