ITEM NAME:BT30 Collet Chuck Holder HSS HRC56-70 CNC Machine Tool for ER32 Collets Car G7Y8 BT30 Collet Chuck Holder HSS HRC56-70 CNC Machine Tool for ER32 Collets Car G7Y8 BT30 Collet Chuck Holder for ER32 Collets Collet Chuck fits for all ER32 collets. Works on all BT30 machines. Item