AccusizeTools - H.S.S. Solid Cap Screw Counterbore Set, 3 Flute, Straight Shank, 7 Pcs/Set, 508S-0007 High Speed Steel Straight Shank Inch Set (7 PC) : 6#, 8#, 10#, 1/4'', 5/16'', 3/8'', 1/2'' High Speed Steel Straight Shank Item #508S-0007
Inch Set (7 PC) : 6#, 8#, 10#, 1/4&#039;&#039;, 5/16&#039;&#039;, 3/8&#039;&#039;, 1/2&#039;&#039;