CAT40-ER16 shank (8 pieces, long 2.768). Taper CAT40, Collet Series ER16, American standard Accuracy: 0.00012"-0.0002" (0.003-0.005 mm) Processing Length: 2.75 (70 mm) RPM: 8000R, Material: 40CrMnTi Packed in Fitted Box, Wrench not included. Item include (054104) 8Collet Chucks. Orders are processed from Monday-Friday; Not on the weekends & public holidays. We will work with you to get the case resolved in the fastest method.Please contact with us at first for more details. If product was received damaged or not as described, please send us some pictures or videos, so we could well understand your problem, then solve them for you ASAP. Besides, it's much helpful for us to claim with UPS, remind our related department to pay much more attention to packaging later on. If an item is received damaged, customer service must be contacted within 7 days of receiving your item. Payments via eCheck do not clear immediately. Usually you will wait 5-7 days after checkout for it to clear.