Black decker autoselect scorpion saw black decker rs890k gb the autoselect scorpion saw from black decker gives you three tools in one an incredibly versatile saw jigsaw and pruner ideal for cutting a variety of materials including wood metal and plastic you simply select the application and the scorpion automatically selects the correct setting for the best results the tool free push button blade change system makes swapping between applications quick and easy it has an improved stro