Bosch OSL400F Starlock Oscillating Multi Tool Bi-Metal Segmented Saw Blade, 4" Bi-metal cutting edge for all-purpose applications including wood with nails Segmented cutting edge, perfect for straight or flush cuts Color coded interface and laser etched blade to quickly identify the right blade Starlock interface for professional performance, also works with OIS compatible tools including Bosch, Fein, Milwaukee, Makita, Rigid, others Precision Swiss made blade