Wheeler Engineering F.A.T. Wrench Screwdriver Set 38pcs. A.T. Wrench 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. Wrench 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. Specifications for Wheeler Engineering F.A.T. Wrench Screwdriver Set: Manufacturer: Wheeler Engineering Weight: 2.3 lb Color: Black Features of Wheeler Engineering F.A.T. Wrench Screwdriver Set Prevent Damage: F.A.T. Wrench achieves perfect torque without causing damage to the fastener. Complete Set: Assortment includes Flat Phillips SAE/Metric Hex Star and Specialty bits that fit most firearm fasteners. Precise Fit: Hollow-ground flat bits are precision fit to prevent damage to screws and firearms. Rust-Resistant Bit Coating: Black phosphate coating on bits protects against rust and corrosion. Secure Storage: Latching hard-sided case organizes bits and protects contents keeping them secure and protected during transport and storage. Package Contents: Wheeler Engineering F.A.T. Wrench Screwdriver Set Wheeler Engineering 1237377: F.A.T. Wrench Screwdriver Set 38pcs