7 Pieces - 12" Extra Long Brad Point Drill Bits 1/8 1/4 5/16 3/8 7/16 - 3/8 Shank Fit Dewalt Makita Ryobi Milwaukee Power Drill etc 1 Set (7 pieces ) / per order Contain drill size: 1/8", 3/16", 1/4", 5/16", 3/8", & 7/16" and 1/2" drill bits X-Long (12" long) Brad Point set, (1/2: come with 3/8" reduced Shank) Tooled from high speed steel for durability and extra long life. This starter set contains the most popular sizes for doweling