PROFESSIONAL GUNSMITHING
FEATURES:-Made from high-grade steel-A custom-molded box houses the contents of the set -1 ergonomic driver handles for delivering maximum torque-21 hollow ground bits specifically designed to match the thin slots in gun screws, sizes ranging from approx. .120 x .020 to .360 x .070-10 Allen bits-4 Phillips bits-5 Torx bits-Note: the bits in these sets are designed to break before damaging the fastener itself. Breakage of a bit shouldn't 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