The 9175 US Composite Uni-Seal Tools is designed for use with sealed RG6/59 male compression connectors, RG6/59 RCA Jacks and BNC connectors. A moveable yoke allows quick change over from drop connectors to the BNC position. Toggle action assures complete connector sealing, thus eliminatiing the need for a complicated ratchet mechanism. Durablity and longevity of operation are achieved through its composite design with high carbon heat treated parts.