T-Tool offers a full range of collets in both ER and OZ types. To find out more please see our spare parts catalog or send us an email. DIN6499 ER collet sizes we offer include ER11, ER16, ER20, ER25, ER32, and ER40. We also offer SYOZ20 and SYOZ25 collet types for the OZ DIN6388 series.
We also posted a collet measuring guide on our technical information link to help you identify your collet.