BLACK+DECKER circular saws come in different variants and designs. What they have in common is good value for money for the do-it-yourselfer. BLACK+DECKER circular saws are available on power grid, so that you always have power. But the cordless circular saws have the advantage that you can saw wherever you want. Even if there is no power point nearby. A mini circular saw has a smaller saw blade and is a smart choice if you mainly cut narrow slats or pipes.