Description
The ACDelco ARM303-4A-K1 Combo Set is engineered for technicians who refuse to compromise on precision. This professional-grade kit combines our high-torque 1/2″ drive and high-precision 1/4″ drive digital wrenches into one ultimate solution. Whether you’re working on delicate bicycle carbon frames or heavy-duty automotive engine builds, this combo delivers the reliability of a 100-year legacy.
- Dual-Drive Versatility: Includes both 1/4″ (1.11-22.12 ft-lbs) and 1/2″ (12.5-250.7 ft-lbs) drives to cover 99% of automotive and industrial applications.
- Integrated Angle Measurement: No more separate angle gauges. Achieve precise torque-to-yield specs with our 1°-360° digital angle mode.
- Tri-Sensory Alert System: Feel the vibration, see the LED lights, and hear the buzzer as you reach 90% of your target torque. Never over-torque again.
- Industrial-Grade Accuracy: Certified CW ±1.5% and CCW ±2.5% accuracy with an individual calibration certificate included for each tool.
- Built for the Pros: 3ft drop-tested, 10,000-cycle rated, and featuring an anti-slip ergonomic grip for all-day comfort in the shop.
- Manufacturer Warranty: 1-Year Limited Warranty and Lifetime Technical Support
- Full accuracy: (±1.5%) is optimized from 20% to 100% of the maximum torque capacity, adhering to industrial precision standards.
| Feature | 1/4″ Drive (ARM313-2A) | 1/2″ Drive (ARM303-4A) |
| Torque Range | 1.11 – 22.12 ft-lbs | 12.5 – 250.7 ft-lbs |
| Angle Range | 1° – 360° | 1° – 360° |
| Accuracy | CW ±1.5% / CCW ±2.5% | CW ±1.5% / CCW ±2.5% |
| Units | ft-lb, in-lb, Nm, kg-cm | ft-lb, in-lb, Nm, kg-cm |
| Memory | 30 Presets | 30 Presets |
What’s in the Box
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1 x 1/4″ Digital Angle Torque Wrench
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1 x 1/2″ Digital Angle Torque Wrench
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2 x Heavy-Duty Blow Molded Storage Cases
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2 x Individual Certificates of Calibration
Documents
User Manual
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