Bosch OSL312 Starlock Oscillating Multi Tool High-Carbon Steel Segmented Saw Blade, 3-1/2" High-carbon steel cutting edge for general-purpose wood applications 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