Boss Buck Varmint Funnels - Set of 3. These Bird Seed & Feeder Accessories from Boss Buck are made from 22 gauge galvanized steel and come with 4 self trapping zinc screws. This Boss Buck feeder funnel fits on feeders with a 12 diameter and works best with square or round leg squares or tubes. Put these Boss Buck Galvanized Steel Varmint Funnels to work today and get back to enjoying your feeder and yard. Specifications for Boss Buck Varmint Funnels: Manufacturer: Boss Buck Additional Features: Set of 3 Features of Boss Buck Varmint Funnels 22 GA. Galvanized Steel 12 Diameter Comes with 4 self trapping Zinc Screws Set of 3 Package Contents: Boss Buck Varmint Funnels Boss Buck BB-1.37: Varmint Funnels - Set of