Eclipse Tools CP-315 Pro'sKit Adjustable Compression Tool for F, BNC, RCA Compression Connectors Compression tool for connecting waterproof connectors F, BNC, RCA on RG-58, RG-59 and RG-6 coaxial cables With adjustment wheel for crimping different lengths of compression connectors from 14.7 to 47.7mm With hex hole in the end of body for assembling F connector and cable