Ratcheting Speed Wrench 7/16″ (works on F Connectors). Speed head makes tightening and loosening quick and easy while the ratcheting box end offers 12 points of contact. Chrome plated, polished to a high gloss finish and made of chrome vanadium steel. Combination wrench measures 7/16″ at both ends. This is the perfect tool for cable and satellite installers. Designed to work on F Connectors, on splitters, and all 7/16″ connections.