The Wheeler 1237377 38-Piece F.A.T. Wrench Screwdriver Set is a purpose-built torque wrench kit designed for precise work on firearms and optics. Featuring the iconic F.A.T. Wrench housed in a durable, stackable hard case, this set includes 36 black phosphate-coated bits and adapters organized for quick access and repeatable torque application from 10–65 in-lbs.

This 38-piece set is ideal for mounting scope bases and rings, securing action screws, and completing detailed gunsmithing projects where consistent torque is critical. Its clearly marked bit layout and compact case make it a practical companion at the bench or range. Backed by Wheeler’s reputation for thoughtful engineering and reliable tools, this F.A.T. Wrench kit helps protect your equipment while delivering confident, repeatable results.

Key Features:

• Manufacturer: Wheeler
• Model: 1237377 F.A.T. Wrench 38-Piece Screwdriver Set
• Tool Type: Torque Wrench
• Torque Range: 10–65 in-lbs
• Number of Pieces: 38
• Bit Finish: Black Phosphate-Coated
• Case Type: Premium Stackable Hard Case