 It is capable of delivering both chopping and slicing cuts.While many assume the traditional form of the kalis is the fully wavy blade, the half-waved half-straight, as well as the fully straight blades, are equally if not more common, as straight blades were more practical in combat.Moro kalis blades generally range in size from 18 to 26 inches (46 to 66 cm), though as with all Moro weapons there are exceptions.