for Hire in Botany and Sydney. Husqvarna K?770 SmartGuard is a powerful all-round power cutter with features that make it one of the best power cutters on the market. Equipped with SmartGuard, an extended blade guard design which reduces the likelihood of accidents and circumstances when a kickback may occur as it emphasises correct technique and correct cutting zone. The semi-automatic SmartTension™ system allows for optimal power transmission, minimum wear and maximum belt life. The light weight, outstanding power-to-weight ratio, the reliable start and exceptionally low vibrations mean less strain and maximised productivity.