You’ll always have a sharp countersink ready to go with this 12 piece set. TiN coated for lasting durability, this set includes 82°, 5 flute countersinks in three diameter sizes: six - 3/8", three - 1/2" and three - 3/4". Shanks are 1/4". Comes with a see-through wooden case.
See page 337 of our 2009 Grizzly Catalog!