THE JACOBS 3KD DRILL CHUCK IS A TOOLING ACCESSORY SUITABLE FOR DRILLING APPLICATIONS. THIS CHUCK FEATURES A 3 TAPER AND OFFERS A CAPACITY RANGE OF 1/8 TO 5/8 INCHES (3-16MM). IT IS AVAILABLE WITH A 5MT SLEEVE AND IS LISTED WITH AN APPROXIMATE WEIGHT OF 6LBS. THE SPECIFICATIONS ALSO MENTION COMPATIBILITY WITH A MICRO HEAD FINE ADJUST BORING HEAD, MODEL MFA29-2, WHICH HAS A CAPACITY OF 29-38MM, AS WELL AS THE PRESENCE OF A MST A40-MFA29-105 COMPONENT.