WHEELER SCREWDRIVER KIT 72-PC PROFESSIONAL GUNSMITHINGWHEELER SCREWDRIVER KIT 72 PCPROFESSIONAL GUNSMITHINGFEATURES: Made from high grade steel A custom molded box houses the contents of the set 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 approx. . 120 x . 020 to . 360 x . 070 8 Allen bits 4 Phillips bits 3 Torx bits Note: the bits in these sets are designed to break before damaging the