An adjustable spin knob allows for compressive forces to be placed on the rim of the connector instead of the bottom of the nut when required. This is helpful for non-IDEAL plastic centered connectors such as 50Ω BNC‘s or RCA‘s with limited structural support. It can also be used as a larger flat surface to compress against for other types of non-traditional compression connectors. The adjustable post and spin knob, combined with three compression surface levels, give the installer virtually unlimited options for compressing current and future connector designs.