... 12ft/3.7m 14ft/4.5m Walk Behind Concrete Power Screed SS1 SeriesCONSMAC SS1 Series concrete power Screed, powered by petrol engine ... one of the lightest portable unit on the market.Walk Behind Concrete Power Screed SS1 Series Features: 1. Specially design, ... 5m, 16ft/4. 9m 9. Easily changed blades Walk Behind Concrete Power Screed SS1 Series Specification Item NoSS1HEngine TypeAir-cooled,single ...