Built tough for mechanics, contractors, and DIYers, this impact wrench
delivers serious power with its brushless motor. Handles automotive
repairs, construction, and home projects with ease. Perfect for anyone
who needs a reliable, high-torque tool to get the job done fast.
SeeSii WH12 Ultra 1/2″ Cordless Impact Wrench — 886 ft-lbs (1200 N·m) Breakaway, Brushless High-Torque Impact Gun, 21V 4.0Ah Battery, Socket Set & Case
Meet the SeeSii WH12 Ultra—a high-torque 1/2″ cordless impact wrench built to make lug nut removal fast and stress-free. It delivers up to 886 ft-lbs (1200 N·m) breakaway torque with a durable brushless motor for cooler, longer runtime. The 21V 4.0Ah battery, 3-speed variable trigger, and auto-stop reverse give you confident control on wheels, suspension and stubborn fasteners.
Compact, well-balanced and fitted with a hog-ring anvil for quick socket changes, WH12 Ultra includes an LED work light, smart protection, and a rugged carry case with sockets—ready for garage, jobsite or roadside help. Yes. You Can.
- WH12 Ultra High Torque – Up to 886 ft-lbs (1200 N·m) breakaway; 2900 IPM / 2400 RPM for rapid removal/tightening.
- Brushless Motor – More power, less heat, longer life for daily use.
- 1/2″ Hog-Ring Anvil – Secure hold with quick, tool-free socket swaps—ideal for lug nuts.
- 3-Speed + Variable Trigger – Fine control from delicate work to stubborn bolts; auto-stop reverse helps prevent drop-offs.
- 21V 4.0Ah Battery + Fast Charger – Extended runtime with LED fuel gauge for easy planning.
- Smart Protection – Over-current/voltage/temperature safeguards.
- Work Anywhere – LED light, compact body, anti-slip grip for tight or dark spaces.
- Complete Kit – Impact wrench, socket set, 4.0Ah battery, fast charger, carry case.
- Model: WH12 Ultra
- Drive Size: 1/2″ square (hog-ring anvil)
- Max Breakaway Torque: 886 ft-lbs (1200 N·m)
- Max Tightening Torque: up to 738 ft-lbs (1000 N·m)
- No-Load Speed: up to 2400 RPM
- Impact Rate: up to 2900 IPM
- Motor: Brushless
- Speed Control: Variable trigger, 3 gears; auto-stop reverse
- Power / Battery: 21V, 4.0Ah lithium (included)
- Operation: Cordless, battery powered
- Light: Integrated LED work light
- Included: Impact wrench, 4.0Ah battery, fast charger, socket set, carry case, user manual
- Package Size / Weight: 16.5 × 13.4 × 5.5 in; ~12.4 lb (kit)