Apex Tool Group LLC based in Sparks MD is one of the largest worldwide producers of industrial hand and power tools tool storage drill chucks chain and electronic soldering products, New blade design achieves 10" stand-out, make longer measurements , Soft touch lock button for better feel and control , Rubber cushion absorbs impact and improved grip , Easy on/off belt clip for fast attachment to belt , Dual scale Engineer"s blade SKU: ORSNO60601