The PROTO® 1257PC MASTER SET is a comprehensive tool collection designed for professionals and serious DIY enthusiasts. Manufactured by BLACK & DECKER's IRWIN INDUSTRIAL TOOL COMPANY, this master set includes a wide range of tools, ensuring you have everything you need for various projects. The tools are crafted from high-quality materials, providing durability and reliability. This set features sockets, wrenches, and specialty tools, all organized in a sturdy case for easy transport and storage. Ideal for automotive, mechanical, and general maintenance tasks, this master set is a valuable addition to any toolkit.