The Kushlan Products 350 Mixer is filled with features that makes this rugged mixer affordable yet ideal for the do-it-yourselfer or professional. Electric-driven, 21 RPM mixers can swivel 360° and can be discharged in any direction. Supported by a durable steel frame, the drums are adjustable to the correct angle for a variety of mixes. The 5/16" thick polyethylene drums are resistant to dents, cracks, and rust yet easy to clean. Easy breakdown for transport or storage, the 3.5 cu. ft. drum holds 2 bags of premix concrete.