IIT 14265 HVLP Gravity Fed Spray Gun, Hardened and tempered, alloy steel construction Precision roll forged flutes Drill bit sizes: 1/16'', 5/64'', 3/32'', 7/64'', 1/8'', 9/64'', 5/32'', 11/64'', 3/16'', 13/64'', 7/32'', 15/64'', 1/4'' Hardened and Tempered, Alloy Steel Construction. Precision Roll Forged Flutes. It includes a very fast shipping as well