AccusizeTools - 32 Pcs HSS 1/2'' Shank S&D Drill Set, 33/64'' to 1'' by 64ths, H516-6506 32 ps/set 1/2&#034; shank HSS Silver &amp; Deming drill sets in a fitted wooden block Size include: 33/64&#034; to 1&#034; x 64ths Black oxide finished Black oxide finished Size: 33/64&#034;-1 by 64ths.