... produced socket and socket fittings. 11PCS-1/4DR.METRIC SOCKET SET:4,4.5,5,5.5,6,7,8,9 ... W 20/21KGS QTY 5SETSIn 1999, ZHEJIANG STAR TOOLS CO.,LTD imported advanced equipment for socket and accessories, and made ... all over the world.ABOUT QUALITY: ZHEJIANG STAR TOOLS CO..,LTD has been certificated by ISO9002 in 2000, otherwise, obtained the ... s strive and develop together in the future. 59PCS SOCKET SET