Description
Getting torque right matters more than most folks think. Under-tighten a scope ring and your zero wanders; crank down too hard and you strip a screw or crush an optic. The Wheeler F.A.T. Stix Preset Torque Wrench Set takes the guesswork out of the equation by giving you fixed, factory-set limiters that click off at the right value every single time, so you can build and maintain your firearms with real confidence.
What Sets the F.A.T. Stix Kit Apart
Instead of an adjustable dial you have to trust and reset, this kit uses five preset torque limiters at 15, 25, 35, 45, and 65 inch-pounds. Those cover the vast majority of common gunsmithing jobs, from delicate scope ring screws on the low end to heavier base and action work up top. Each limiter is accurate to within +/-5% and reversible, so you can snug fasteners down and back them off without hurting the tool. When you hit the preset value, it stops driving. Simple and repeatable.
Built for the Bench or the Range
The ergonomic T-handle driver is where the F.A.T. Stix earns its keep. It has a comfortable grip plus a spin section that lets you run screws quickly before the limiter takes over for the final torque. The workflow is about as easy as it gets: attach the preset limiter to the T-handle, drop in the bit you need, and set your screw to spec. The whole thing is compact enough to toss in a range bag, and the soft carry case keeps the 12 bits, five limiters, and driver organized so nothing goes wandering off the workbench.
A Practical Set for Everyday Gun Work
Between the 12 popular screwdriver bits, the 1/2-inch socket, and the 1/4-inch drive bit extension, this kit handles most of what a home gunsmith or serious enthusiast runs into. Mounting optics, tightening guard screws, working on AR uppers, or general maintenance around the shop all fall right in its wheelhouse. It is a straightforward, well-thought-out set that helps you do the job once and do it correctly.
Key Specifications
- Manufacturer: Wheeler Engineering
- Model: F.A.T. Stix
- Manufacturer Part Number: 1136022
- UPC: 661120107798
- Product Type: Preset Torque Wrench Kit
- Torque Limiter Values: 15, 25, 35, 45, and 65 inch-pounds
- Accuracy: Within +/-5%
- Bits Included: 12 popular screwdriver bits
- Drive: 1/2" socket with 1/4" bit and 1/4" drive bit extension
- Handle: Ergonomic T-handle with spin section
- Color: Black
- Length: 8.05 in
- Shipping Weight: 1.845 lbs
What’s Included
- T-handle driver
- 5 preset torque limiters (15, 25, 35, 45, and 65 inch-pounds)
- 12 standard screwdriver bits
- 1/2" socket with 1/4" bit
- 1/4" drive bit extension
- Soft carry case
Frequently Asked Questions
What torque values do the F.A.T. Stix limiters cover?
The set comes with five preset limiters at 15, 25, 35, 45, and 65 inch-pounds. That spread covers most common firearm jobs, from lighter scope ring screws to heavier base and action work. Each limiter is accurate to within +/-5% of its rated value.
Do I have to adjust anything before I use it?
No adjusting required, which is the whole point of a preset system. You just pick the limiter that matches your spec, attach it to the T-handle, drop in the bit you need, and drive the screw until it stops. Nothing to dial in or reset afterward.
Will the F.A.T. Stix work with bits or drivers I already own?
Yes. The limiters accept standard 1/4-inch hex bits, and they will run in the included T-handle or any driver that takes 1/4-inch bits. The kit also includes a 1/2-inch socket and a 1/4-inch drive bit extension for added reach and versatility.
Is this set good for mounting a scope?
It is well suited for optics work. Scope ring and base manufacturers typically call for torque values that fall right within the range these limiters provide, so you can tighten to spec without over-crushing rings or leaving them loose. Always check your ring and base maker's recommended torque figures first.



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