The FAT Wrench

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The FAT Wrench

  • SKU: 70350
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The Wheeler Engineering FAT Torque Wrench is a hand driven, click/clutch style torque wrench that is very useful for applying the necessary torque to most firearm and firearm accessory fasteners. The FAT Wrench features a thick ergonomic handle, a standard 1/4" drive tip, and can be used to apply torque from 10 to 65 in-lbs at 5 in-lb increments. Common uses include, but are not limited to: installation of scope ring and base screws, action screws and trigger guard screws. With proper care and use, the FAT Wrench will provide a lifetime of reliable service. Includes 9 bits, a square drive adapter and plastic hard case.


  • Bits made from S2 tool steel, hardened to 56 Rockwell hardness
  • Adjustment range from 10 in/lbs to 65 in/lbs
  • Accuracy +/- 2 in/lbs up to 40 in/lbs; +/-5% at 40-65 in/lbs

Kit Includes:

  • Leupold/Buehler windage bit
  • #10 flat blade bit
  • #11 flat blade bit
  • #32 flat blade bit
  • 3/32" Allen bit
  • 5/32" Allen bit
  • T10 Torx bit
  • T15 Torx bit
  • T20 Torx bit
  • Square drive adapter bit
  • Injection molded hard polymer case


Warning: This product may be alloyed with trace amounts of lead and other elements which are known to the State of California to cause reproductive harm and cancer. To prevent exposure, do not alter the product by welding, grinding, etc. For more information, go to

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