"D285 Varibore hex collets are to suit 66mm capacity collet chucks. Also known as T285, these collets have a 3.175mm range. Supplied smooth as standard we can supply with alternate finishes and in special profiles.\r\n\r\nD285 suit the following collet chucks:\r\n\r\nKlamp CRS66\r\n\r\nKlamp QCRS66\r\n\r\nCrawford CDC66\r\n\r\nCrawford CDC-66-S\r\n\r\nCrawford QC-66"