Duck Commander Pro Series Hi-Ball. The Hi-Ball call has a shortened poly barrel and reed combination requiring less air resulting in a great sounding call that is unexplainably easy to blow. Also the poly call does not swell or shrink with the changing weather conditions of duck hunting. This call is great sounding and the most affordable call in the PRO Series lineup. Specifications for Duck Commander DCPROHB Pro Series Hi-Ball: Mfg Item Num: DCPROHB Supplier SKU: 28515 Category: GAME CALLS Type: Duck Call Species: Duck Material: Plastic Sound Species: Ducks Electronic: No Color: Brown/Clear Style: Mouth The Duck Commander DCPROHB Pro Series Hi-Ball is a quality addition to the Duck Commander lineup. For more great deals on Duck Calls by Duck Commander please browse our Duck Commander Hunting Gear page.