Spanner Wrenches for ER Collet Nuts
ER Collet Wrenches for ER20, ER25, ER32 and ER40 collets. This is a simple tool and a must-have for any marble CNC worker that has to replace often tools in his machine. Save time and avoid to damage the spindle or the ER Collet.
This wrenches for ER collets have also a comfortable soft grip.
The 4 point contact ensures the right location of the wrench in the collet nut and no-slip.