TECHNIKS DA180 21 PC DOUBLE ANGLE COLLET SET 1/8" - 3/4" X 1/32 CNC CHUCK Our Part # TEC-01618-21S The most accurate double angle collet in the industry Sizes included: 21 pieces 1/8" thru 3/4" by 32nds (1/64" clamping range for each individual collet) Precision ground and hand inspected