External Turning Tool Holders and Spare Parts.Tool holders,external and internal turning tool holders,tool bars,CRGNR,CRGNL tool holders fit the CBN inserts and ceramic inserts,we can supply tool holders according to your request,the spare parts like clamp,clamp screw,carbide shim/carbide seats, shim screw and chip breaker clamp also available.E-mail to us:sales@cbncut.com