Bosch OSC212TC 2-1/2 inch Titanium BIM Circular Saw Blade The Bosch 2-1/2 inch circular saw blade is ideal to cut sheet metal, fiberglass and wood with nails Has 12 pin design for a secure connection for high-torque oscillating tools (tools not included) Tin coated BiM design provides up to 30% longer life over the standard BiM in metal cutting Full circle design gives more usable blade for longer blade life Full circle blade that is 360-degrees offers many usable teeth The Bosch 2-1/2 inch Circular Saw Blade is ideal for when you need to cut sheet metal, fiberglass and wood with nails. The titanium-coated teeth provide a long cutting life, and the 360-degree blade offers many usable teeth for excellent cutting. 12 Pin design provides a secure connection for high-torque oscillating tools (tools not included) Tin Coated BiM Design provides up to 30% longer life over the standard BiM in metal cutting Full Circle design gives more usable blade for longer blade life 360 Degree full circle blade offers many usable teeth