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, Easy to operate , Permits extremely simple 1-handed operation, even in tight quarters , Use with Series 99 blades , Smooth precise action , Left-right-neutral marking indicator , Light ratcheting drag facilities turning and prevents fasteners from reversing SKU: ORSNO45705