STAMPED: OTC OWATONNA TOOL CO. MADE IN USA, OWATONNA MINN., CT-683-6. CT-683-6 DOUBLE END ADAPTOR TO BE USED W/ CT-683 VALVE SPRING COMPRESSOR TOOL. OTC SPECIALTY TOOL. RARE OTC ITEM. ONLINE INFO FOUND IN OTC 1959 TOOL CATALOG No.
STAMPED: OTC OWATONNA TOOL CO. MADE IN USA, OWATONNA MINN., CT-683-6. CT-683-6 DOUBLE END ADAPTOR TO BE USED W/ CT-683 VALVE SPRING COMPRESSOR TOOL. OTC SPECIALTY TOOL. RARE OTC ITEM. ONLINE INFO FOUND IN OTC 1959 TOOL CATALOG No.