MT3 17 PIECE ER-40 SPRING COLLET CHUCK SET (3900-0531)

ER-40 MT3 17 Piece Spring Collet Chuck Set High precision collet chuck system suitable for all milling and drilling applications. Unique self-releasing system. Wide holding range. Accuracy to .0005". Comes with a fitted case. Drawbar end thread is 3/8"-16. Collet Sizes are: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16, 7/8, 15/16, 1". Shipping Weight: 12.6 lbs