Durable components like thick, abrasion-resistant AR200 steel flighting on the heavy-duty screw contribute to long-lasting performance. With the ability to handle a 5-ft x 4-ft (1.5-m x 1.2-m) round bale, the bi-pulse legs and the leading edge of the screw offer efficient cleanout. Optimize your feeding routine and mix a wide variety of feedstuffs with the VS420 single-screw vertical mixer.