Universal/adjustable design for use on: Permaseal, Snap N Seal, Push N Lock, and most other brands of compression connectors.There are three easy steps to install coax compression connectors:1. Prepare the coax cable with a cable stripper. 2. For F connectors twist the connector onto the cable until the center conductor is protruding. 3. Insert the connector into the compression tool and squeeze the handles until the connector compresses. Initially you will need to make depth adjustments to the tool to fully compress the connector.If you are unfamiliar with how coax compression connectors work. There are some informative videos on Youtube.