Yakattack Screwball Combo Base 2016 | Wiki & Review | Everipedia

The YakAttack Screwball Combo Base is a RAM mounting base that allows you to mount the Hummingbird 100, 300, 500, 700 series and Matrix series depth finders. A RAM composite connector and 1 inch Screwball easily attach to YakAttack MightyMount, GearTrac and other track systems. [+]