Drill America HUT Series. Rugged, heavy gauge all–steel case holds sizes #6-32 - 1/2"-13 NC (9 Sizes). 6-32 tap and #36 drill bit, 8-32 #29 drill bit, 10-24 #25 drill bit, 10-32 #21 drill bit, 1/4-20 #7 drill bit, 5/16-18#F drill bit, 3/8-16 #5/16 drill bit, 7/16-14#U drill bit, 1/2-13#27/64. Each storage hole precisely sized for accurate, quick selection. Corrosion resistant, epoxy baked on coating with a secure, snap-lock steel cover. Made in U.S.A. Identification number: 12600