Torque Extension 1/2" Drive 140 ft./lbs, Black. KTI follows a business model that combines marketing and distribution of innovative, value-priced, high quality tools with industry-leading customer service and support. Serving the aftermarket and professional mechanic through distribution since 1984, KTI leads the market by ensuring that its products are rugged, reliable and reasonably priced.. Serving the aftermarket and professional mechanic through distribution since 1984