Hello chaps, While looking on Ebay for some small expanding collet chucks for my woodturning, I found these on the US Ebay. As I cannot fathom out how on earth they are supposed to work, cananyone here enlighten me please? http://cgi.ebay.com/1-4-1-1-4-HAND-8-EXPANDING-ARBOR-SET-LATHE-MILLING-NEW_W0QQitemZ330095907283QQihZ014QQcategoryZ58250QQrdZ1QQssPageNameZWD1VQQcmdZViewItem Item number 330095907283 Thanks, Tony Wells. PS, am I the only Tony here these days, to save me writing my full name? MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.