THIS OFFERING IS A SET OF THREE JACOBS DRILL CHUCKS WITH A COMBINED WEIGHT OF APPROXIMATELY 10LBS. ITEM 1 IS A JACOBS DRILL CHUCK 34-06 FEATURING A 6 TAPER AND A 0 TO 1/2 INCH OR 0-13MM CAPACITY. IT INCLUDES A 4 MORSE TAPER SHANK AND 6 JACOBS TAPER. ITEM 2 IS A JACOBS NO.11 SUPER CHUCK WITH A 0 TO 3/8 INCH CAPACITY AND A NO.4 MT SHANK. ITEM 3 IS A JACOBS CHUCK #36 -3 TAPER WITH A 4MT SHANK AND AN 18-80IN. / 5-20MM CAPACITY.