Blackdecker scorpion powered saws blackdecker ks890ecn the ks890ecn scorpion from blackdecker is a multi function variable speed powered saw which has both handsaw and jigsaw modes it is ideal for making straight or curved cuts in wood metal and plastica tool free push button blade change system means less work time and safety lock off switching prevents unintentional starting blackdecker ks890ecn scorpion powered saw 400w