Lyman's Master Gunsmith Tool Kit provides all the bits needed by gunsmiths and all those who work on firearms. This 45 piece set comes with bits for slotted screws, hex screws, 6-lobe screws, and Phillips screws; in addition to an assortment of specialty bits. The specialty bits include a Weaver scope ring bit, Glock front sight bit, 1911 grip bushing bit, as well as .062", .093" and .118" pin punches. The sets also include a ratchet wrench so the maximum torque can be applied to those tough-to-remove screws. This 45-piece kit is packed in compact, convenient storage case.Pachmayr's screwdriver sets provide all the bits needed by gunsmiths and all those who work on firearms. These complete sets come with bits for slotted screws, hex screws, 6-lobe screws, and Phillips screws, in addition to an assortment of specialty bits. The specialty bits include a Weaver scope ring bit, Glock front sight bit, 1911 grip bushing bit, as well as 0.062, 0.093 and 0.118 inches pin punches. The sets also include a ratchet wrench so the maximum torque can be applied to those tough-to-remove screws. The bits for slotted screws are hollow ground, so they properly fit screw slots and prevent cam-out which creates ugly, damaged screw slots. The sets are packed in compact, convenient storage cases.