This bracket fits Tracker Targa V18, V19 and V20 boats with the Versatrack rail system. Fits anywhere along the Versatrack rail without modifications to your boat. Track is a universal track and will accept track adapters 6 inches or less, Shown in photos is a Larmac 360 swivel and a HD Innovations docking plate with a HD Innovations Shuttle with a Garmin Livescope.   Track is 8.5 inches long.  Larmac 360 swivel, Docking station and shuttle are not included in this listi