CHUCK: FOR DRILL GRINDER: DD750X

* Drill Doctor - does the job ! * Compact little drill grinder that will sharpen a great range of bit sizes * Sharpen High speed steel cobalt, TiN coated and carbide drill bits with the super-abrasive and long lasting diamond wheel * Sharpen drill bit types: two flute fractional metric number & letter sizes * Point styles: conventional split point masonary * Change the point angle to suit your specific needs 90 - 135 deg