For crimping F, BNC, and RCA connectors; heavy-duty design; suitable for RG 59 / 6 / 11 cables; rotating head for different cable sizes; rotating insert for different connector types; adjustment screw for different connector lengths; also suitable for, among others, Kathrein EMK 12, Cablecon F-56 CX3 5.1, and Astro FKS 06 compression connectors.