Ko-Ken Tools is a fourth generation family owned and operated business in Japan, with 140+ employees. The focus of the business is entirely on Sockets and Socket wrenches. The entire manufacturing process is in-house at Ko-Ken, from design, cold forging, heat treat and plating.
Blackstone Global, Inc of Chelmsford, MA is the North American (Canada, USA, Mexico) Master distributor for Ko-ken Tool Co., LTD of Kakegawa-City Japan. Our mission is to provide inspiring customer service and to build sufficient inventory to support customer demand across North American.