The black and decker ks890ecn scorpion powered saw is a multi function variable speed powered saw with handsaw and jigsaw modes cuts various different materials wood metal and plastic it has a tool free push button blade change system means less worktime and a safety lock off switching prevents unintentional starting applications straight line or curved cuts with choice of cutting mode cuts wood metal and plastic specification input power 400 watt no load speed 0 5500min stroke length 10mm bl