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®.

Whether it’s homeowners, builders, remodelers or installers, the demand for siding that’s a cinch to work with and install while setting durability and design standards are real. From the breadth of products to industry-leading performance to sales support, Royal® Building Products connects pros and homeowners to exteriors like no other company.