The MARSHALLTOWN Shockwave™ Power Screed vibrates to smooth concrete for a quality finish. This vibe screed features fully adjustable handlebars and grips that make this unit easy to transport as well as excellent vibration dampening so very little vibration is passed on to the operator. The unit comes with a reliable GX35 Honda 4-stroke engine, a direct drive shaft for extended tool life, and eccentric weights that are easy to adjust and completely protected from concrete splatter.