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Power Tool Accessories Powered by compressed air, electricity and occasionally fuels (especially gasoline-oil blends) or propellants such as the ones found in tools that are powered by powder. Some power tools could be stationary while others are portable. Check out our collection of Kobalt power tools to improve every one of your do-it yourself (DIY) projects. Find combo kits to maximize flexibility and value, or increase your tool arsenal with a new cordless or battery pack. Combo kits If you're building your o