Hi Greg
Diamond type are the best but it's hard to put that edge back on carb.tip router bits.
H3130 10 pc. Diamond File Set
http://www.grizzly.com/products/h3130
H1423 Diamond Pocket file
http://www.grizzly.com/products/h1423
Bj
Diamond type are the best but it's hard to put that edge back on carb.tip router bits.
H3130 10 pc. Diamond File Set
http://www.grizzly.com/products/h3130
H1423 Diamond Pocket file
http://www.grizzly.com/products/h1423
Bj