When your gunsmithing project demands precision, reach for the 38-Piece F.A.T. WrenchA(R) Screwdriver Set. This professional-grade, essential screwdriver set pairs the iconic F.A.T. Wrench with 36 carefully selected bits and adapters, making it a must-have for tackling everything from scope bases and rings to action screws with confidence. The F.A.T. WrenchA(R) features an adjustable torque range of 10-65 in-lbs., delivering precise and repeatable torque to scope ring and base fasteners, helping you avoid overtightening that can damage firearms or optics. The bits are black phosphate-coated to prevent corrosion and extend tool life. All the contents are neatly organized in a premium, stackable hard case that nests with other Wheeler sets. Get a Wheeler F.A.T. Wrench and have peace of mind that your rifle's screws are tight and right.