GREENER Brushless Electric Wrench High Torque Lithium Battery Impact Wrench Auto Repair Small Impact Tool Set 400N.m with Two Batteries

Infinite variable speed trigger with automatic stop when released

Dual or triple speed adjustment for different working conditions

Reverse self-stop function to prevent over-tightening or loosening

Tungsten steel spindle and high-aluminum alloy head for extended tool life

Large ventilation ports and full-sealed circuit board for heat dissipation and durability

Magnetic dust-proof switch and T-shaped shaft with tested long service life (up to 300,000 cycles)

| Model | Rated Voltage (V) | Max Torque (N·m) | Speed (rpm) | Impact Frequency (bpm) | Battery Capacity (Ah) | Weight (kg) | Head Size (mm) | Size (mm) | Gears |

|-------|-------------------|------------------|-------------|------------------------|----------------------|-------------|----------------|-----------|-------|

| 217 | 21 | 320 | 0-2400 | 0-2500 | 4.0 | 1.0 | 12.7 (1/2") | 159x63x203| 2 |

| 212 | 21 | 400 | 0-2500 | 0-1500 | 4.0 | 1.7 | 12.7 (1/2") | 186x72x215| 3 |

| 21V | 21 | 550 | 0-2100 | 0-2500 | 4.0 | 1.95 | 12.7 (1/2") | 186x76x226| 3 |

Recommended to have two batteries for heavy-duty work

Real measured torque >320 N·m

Can tighten/loosen approximately 550 M16 bolts per full charge (4.0Ah battery)

Can tighten/loosen approximately 780 M16 bolts per full charge (6.0Ah battery)

High-efficiency transmission system with low noise and vibration

Copper wire thickness increased for durability and low wear

Brushless motor lifespan up to 30,000 hours

Suitable for M10 to M24 bolt sizes depending on model

Ideal for household assembly, motorcycle and car tire removal, scaffold installation, tower crane maintenance, wood and wall drilling, mechanical and large equipment maintenance, steel structure assembly, and HVAC installation

Dual speed settings for high torque or delicate operations to prevent damage

Variable speed trigger for precise control

GREENER tools are internationally certified and ranked among top hardware brands

Designed to solve common issues with inferior electric wrenches such as weak power, short battery life, noisy operation, and premature failure

All data are laboratory tested and for reference only; actual performance may vary