These fit into your steady rest and hold the bit so you do not need to have a pilot hole.I have also tapped and used them to hold the tap straight for threading jiont pins.They are made of aluminium.price is 20.00 each plus shipping I have 3 of each 1/4,5/16,5/8 and 3/4
Thanks Joe C
1-603-883-8095
Thanks Joe C
1-603-883-8095

