Klein Tools, founded in 1857 by Mathias Klein, began with a line of pliers. Since then, the company's offerings have expanded to include nearly every major hand tool for construction, electronics, mining, and general industry. Klein also manufactures occupational protective equipment and tool bags a... Read Morend holders. The company is still owned and managed by the Klein family. Popular Klein products include hand tools and pouches. The Klein Heavy-Duty Tool Pouch, constructed of No. 4 canvas, features a leather back, five pockets, and leather loops to hold a variety of tools. A heavy-duty chain tape thong is securely riveted to the pouch, which is riveted and stitched for extra durability. The Klein Tools 10-Inch Pump Pliers feature integral guards to prevent contact with conductive wire and a wide range of jaw positions for varied work. The steel pliers also include a secure tongue-and-groove design for a nonslip grip. Other best-selling storage options include the Canvas Tool Bag, Erection Wrench Holder, and Utility Zipper Bag. The Journeyman series features pliers and crimping and cutting tools, each with a special grip.