SET OF 7 PCS, sizes are. 1/8, 3/16, 2 pcs of 1/4, 3 pcs of 5/8. 3 are Command, 3 are Centaur, and 1 is SYIC brand.We always do and have offered a 2 wk return, as we do not want to sell anything bad. Thanks for looking, I have a couple other sets of ER 40 used collet sets/ lot for sale also, please check them out. The item "ER 40 COLLETS. ER40 COLLET SET, LOT OF 7 PCS 1/8, 3/16, 1/4, 5/8 NEW Commandand" is in sale since Thursday, April 18, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Workholding & Toolholding\Workholding\Collets". The seller is "atmachining" and is located in Ann Arbor, Michigan. This item can be shipped to United States.