IRWIN manufactures hand tools and accessories for cutting, clamping, drilling, fastening, and layout work. Golden State Lumber and Showroom supplies IRWIN Tools professional tools and accessories for carpentry, framing, finish work, layout, cutting, and jobsite productivity throughout Northern California.







IRWIN Tools manufactures and distributes professional grade hand tools and power tool accessories worldwide for trade professionals who demand superior performance and durability on the job. IRWIN Tools’ brand portfolio features user-preferred category leaders such as IRWIN®, Vise-Grip®, Marathon®, Quick-Grip®, Speedbor®, Strait-Line®, Marples®, Unibit®, and Hanson®.
For over a century, innovation has been the hallmark of IRWIN Tools. Beginning in 1885, with the development of the first IRWIN Auger Bit, and progressing with the introduction of Vise-Grip Locking Tools, SPEEDBOR Flat Bits, MARATHON Saw Blades, and QUICK-GRIP Bar Clamps, IRWIN has been at the forefront of the industry, creating superior tools for the professional tradesman.
IRWIN® Manny’s Mentions—Brand New Bag
IRWIN® Manny’s Mentions—Screwdriver Collection
IRWIN® Manny’s Mentions—The Real Deal
IRWIN® Manny’s Mentions—Lighten Your Tool Belt
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Golden State Lumber has been serving Northern California builders, contractors, architects, and homeowners for decades. We combine quality building materials with knowledgeable service to help customers find the right products and solutions for projects of every size.
Many customers return because they value consistent service, knowledgeable support, and access to quality building materials and trusted brands. Our goal is to build long-term relationships by helping customers complete successful projects, no matter the size.
If you don’t see the product you need, contact our team. Through our extensive supplier network, we can often source specialty, custom, and hard-to-find products and help you find the best solution for your project.