The Wheeler F.A.T. Wrench Autotorque is a battery-powered screwdriver purpose-built for precision gunsmithing work. Unlike general-duty cordless drivers, this tool combines variable-speed power with an integrated torque limiter that stops automatically when you hit your target fastener tension—eliminating the guesswork and risk of over-torquing scope rings, red-dot bases, action screws, and other low-torque optics and hardware installations. It's engineered for shooters and gunsmiths who want speed without sacrificing accuracy.
The digital LCD interface lets you dial in torque between 10 and 65 in-lbs. in 0.1 in-lb. increments, so you can match the exact specification your rifle build or accessory installation calls for. The variable-speed motor runs up to 200 RPM and shuts down the moment the target torque is reached—no manual brake, no judgment calls. That automatic stop is the real game-changer: it protects your receiver, prevents thread damage, and removes the skill ceiling for consistent, repeatable results across multiple rifles or builds.
Field-ready out of the box: the included 12V lithium-ion battery delivers up to 2 hours of continuous runtime on a single charge via USB-C, and a quick-check LED tells you the charge status at a glance. Four bright LEDs light up tight workspaces. The 15-piece bit set (1/4" black phosphate-coated) covers the most common fasteners found on modern firearms. Everything packs neatly into a premium hard case that stacks with other Wheeler tool storage for a tidy gunsmithing bench or range bag.
Key Features
- Integrated torque limiter with automatic shutoff—stops at your target tension to prevent over-torquing
- Digital LCD display for precise torque adjustment (10–65 in-lbs. in 0.1 in-lb. increments)
- Variable-speed trigger with up to 200 RPM motor for controlled, versatile fastening
- Max-speed override mode to break loose stubborn fasteners quickly
- Detachable 12V lithium-ion battery with USB-C charging and LED battery-status indicator
- Four ultra-bright LEDs for low-light workspace visibility
- 15-piece 1/4" bit set for common rifle and optics fasteners
- Premium hard case with stackable design for organized tool storage
Specifications
| Brand | AOB (Wheeler F.A.T. Wrench) |
| Type | Battery-powered torque screwdriver |
| Torque Range | 10–65 in-lbs. |
| Torque Increment | 0.1 in-lb. |
| Motor Speed | Up to 200 RPM (variable) |
| Battery | 12V lithium-ion, detachable |
| Charging | USB-C |
| Runtime | Up to 2 hours continuous per charge |
| Bit Size | 1/4" |
| Included Bits | 15-piece black phosphate-coated set |
| Workspace Lighting | 4 ultra-bright LEDs |
| Storage | Premium hard case (stackable with other Wheeler sets) |
Frequently Asked Questions
Is the Wheeler F.A.T. Wrench Autotorque suitable for scope rings, red-dot bases, and action screws?
Yes. The torque range of 10–65 in-lbs. covers the fastening requirements for most rifle scopes, scope rings, red-dot mounts, scope bases, and action screws used on modern firearms. The automatic shut-off prevents over-torquing, which can crack receiver threads or damage aluminum components.
What's included in the kit?
The Autotorque comes with a detachable 12V lithium-ion battery, USB-C charger, a 15-piece 1/4" bit set in black phosphate coating, and a premium hard storage case that nests with other Wheeler screwdriver cases.
How long does the battery last on a single charge?
The battery delivers up to 2 hours of continuous runtime. The included LED battery-status indicator helps you check the charge level before you start work.
Can I use this to remove stuck fasteners?
Yes. The max-speed override setting switches the motor to maximum power, allowing you to apply sustained torque to break loose stubborn fasteners before returning to controlled, torque-limited operation for installation.

