CONDITION: USED THERE ARE LIGHT RUB MARKS NEAR WORKING END
INSIDE DIAMETER (I.D.) &LABELING: 16 mm 000A8000031610000 THIS COMES WITH COOLANT THRU STRAIGHT FLUTE CARBIDE STEP DRILL (NOT GUARANTEED TO BE SHARP OR USABLE) APPROX .4850 CUTTING DIA, WE HAVE OTHER HSK SIZES ON OUR STORE AS WELL PROJECTION: 4"