QUINN is a fast-growing hand tool brand exclusively from Harbor Freight, offering durable torque wrenches, pliers, and diagnostic equipment for mechanics.
QUINN tools are designed for resilience and precision, catering to both professional technicians and automotive enthusiasts. As a proprietary brand of Harbor Freight Tools, QUINN specializes in high-performance hand tools that rival premium competitors at a fraction of the cost. The product lineup includes heavy-duty torque wrenches, digital torque adapters, socket sets, pliers, and screwdrivers, all engineered with durable materials and ergonomic grips.
The brand is particularly well-regarded for its torque measurement instruments, which are essential for precise automotive work. Each tool is developed to meet rigorous standards, ensuring reliability in the garage or on the job site. Customers can access support, warranty services, and replacement parts through Harbor Freight's extensive national network.
Latest manuals from manuals+ curated for this brand.
Watch setup, installation, and troubleshooting videos for this brand.
Common questions about manuals, registration, and support for this brand.
According to the manual, you should exercise the torque wrench before every use by pulling down the lock ring and cycling the handle through its max and min settings three times. For formal calibration, it is recommended to have the tool serviced by a qualified technician every 6 months.
The battery requirement varies by drive size: the 3/4" model typically uses two AA batteries, while the 1/2" and 3/8" models use two AAA batteries.
Many QUINN tools come with a Limited 90 Day Warranty from the date of purchase through Harbor Freight Tools, covering defects in materials and workmanship.
If parts are missing or broken upon unpacking, you should call Harbor Freight Tools support at 1-888-866-5797 as soon as possible.