This set features professional-grade tools for at-home gun maintenance work. This upgraded kit offers enhanced versatility by adding a large assortment of flat bits to fit a wider variety of screw heads. Advanced tooling of most firearms is made possible by the diverse adjustment options offered inside the hard-plastic, latched case. Features 77-piece set ideal for most at-home gunsmithing efforts Durable plastic case features blow-molded compartments to effective organize components Driver features soft, ergonomic handle grip for easy adjustments Product Specifications Manufacturer: Weaver Optics Model: Various Caliber: Various Capacity: N/A