"D175 Varibore Square collets are to suit 80mm capacity collet chucks. Also known as N175, these collets have a 3.175mm range. Supplied smooth as standard we can supply with alternate finishes and in special profiles.\r\n\r\nD175 suit the following collet chucks:\r\n\r\nKlamp QCRS80\r\n\r\nCrawford QC-80\r\n\r\nCrawford QCS-80"