Introduction: Irwin Tools mainly manufactures and sells professional grade manual tools and power tool accessories for trade professionals. Starting from 1885, with the development of the first Irwin spiral drill bit and the introduction of Vise Grip locking tool, SPEEDBOR flat drill bit, MARATHON saw blade, and QUICK-GRIP rod clamp. Irwin Tools products include chisels, circular saw blades, clamps, drills, fastener drivers, hammers, hand saws, impact accessories, horizontal and square, linear edges, locking tools, marking tools, pipe pliers, pliers and adjustable wrenches, screw and bolt extractors, screwdrivers, scissors, tape measures, faucets, molds and sets, art knives and blades; Irwin official website: www.irwin.com.