Wheeler Engineering 72-Piece Professional Gunsmithing Screwdriver Set

The durable bits fount in this screwdriver set are made from high-grade tool steel hardened to 56-58 Rockwell C. A custom-molded box houses the contents of the set which includes: 2 ergonomic driver handles for delivering maximum torque 54 hollow ground bits specifically designed to match the thin slots in gun screws, sizes ranging from approximately .120 x .020 to .360 x .070 8 Allen bits (1/16, 5/64, 3/32, 7/64, 1/8, 9/64, 5/32, 3/16) 4 Phillips bits (#0, #1, #2, #3) 3 Torx bits (T10, T15, T20) Note: includes two each of the very thinnest bits in this set, this is intentional as the thinnest are most likely to break Note on bits: The bits in these sets are designed to break before damaging the fastener itself. Breakage of a bit should not be considered a defect, rather it means that the fastener will require some other means of removal or an application of a suitable compound that will penetrate threads, such as Kano Kroil.