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Grey Pneumatic: Precision Impact Socket Specialists Since 1989

Grey Pneumatic (GP) was founded in 1989 with a singular focus: delivering high-quality specialty impact sockets to professionals who depend on their tools day in and day out. Grey Pneumatic started with just two unique products designed to serve the tire and wheel industry, and has since grown into a global supplier with a catalog spanning more than 4,000 individual pieces of equipment. Headquartered in Menomonie, Wisconsin, GP remains a privately held company guided by the same commitment to quality and reliability that defined it from day one.

Built for the Professionals Who Demand the Best

Grey Pneumatic tools are engineered for the rigors of professional environments — from automotive repair shops and heavy-duty trucking fleets to mining operations, construction sites, and energy facilities. Every product in the GP lineup is designed to withstand the punishment that comes with daily impact tool use, with materials and construction methods that meet up-to-date industrial specifications. Most tools in the Grey Pneumatic lineup are backed by a lifetime warranty covering defects in materials and workmanship, a testament to the confidence GP places in its manufacturing standards.

A Complete Socket System Under One Brand

What sets Grey Pneumatic apart is the breadth and depth of its socket ecosystem. At the heart of the lineup are socket sets — including GP's signature Duo-Socket sets that combine standard and deep socket options in a single tool, and comprehensive impact socket master sets available in both SAE and metric configurations. Whether you need a compact 1/4" drive set for delicate work or a heavy-duty 1" drive set for large fasteners, GP has a solution built to last.

Individual sockets round out the GP offering, available in fractional and metric sizes, standard and deep lengths, and across multiple drive sizes. For applications that require reaching into tight or awkward spaces, universal joint sockets provide the flexibility to work at angles without sacrificing torque or control.

No socket system is complete without the right supporting accessories. Grey Pneumatic's socket extensions — available in friction ball and other retention styles across multiple drive sizes — give technicians the reach they need in confined work areas. Meanwhile, socket adapters allow users to mix and match drive sizes, bridging the gap between different tools and socket sets already in a toolbox. These adapters are particularly valuable in field environments where versatility and adaptability are essential.

Innovation That Keeps Pace With the Industry

Over the decades, Grey Pneumatic has built a reputation not just for quality, but for being first to market with innovative products and packaging concepts. GP's blow-molded plastic storage cases keep sets organized and protected, while the Duo-Socket design addresses real-world workflow needs by reducing the number of separate tools a technician must carry. It is this kind of practical, user-focused innovation that has made GP a trusted name across the automotive, industrial, assembly, maintenance, and construction trades.