Pricing mentioned is for a SET. Requires a minimum buy of 1 SET. 15 pc Cobalt Set; Hazmat=False; Features=135-degree split point reduces feed pressure for easier penetration without work Hardening;Available with a variety of drill Bit types and piece count configurations;Constructed of M-42 8 percent Cobalt high speed steel for super abrasive resistance in tough metals;Durable rubber-sided case for added impact resistance;Sliding latch design provides added security; StandardPack=6SET/CTN; CountryOfOrigin=US; Cutting Diameter = 1/16 in [Min], 3/8 in [Max]; Cutting Edge Material=HSS; Includes=1/16 in(2), 1/4 inch, 1/8 in(2), 3/16 inch, 3/32 in(2), 5/16 inch, 5/32 inch, 5/64 inch, 7/32 inch, 7/64 inch, 9/64 inch, and 3/8 in; Material=Cobalt Steel; Shank Type=Straight; Type=Drill Bit Set;