Bosch Starlock Oscillating Multi-Tool Blade Set OSL002CH, 2 pieces, for metal Set includes one OSL034C carbide plunge blade for metal (3/4''), and one OSL134C carbide plunge blade for metal (1-3/4'') Carbide teeth for high performance in metal and other materials 30X Life compared with standard bi-metal blades 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