They are constructed with PTFE coating that allows the blades to cut cooler and be non-stick for quicker cuts, it also protects the blade from corrosion and accumulation of resin. 216 x 30mm 48t/60t Circular Saw Blade 2pk.
They have an alternate top bevel (ATB) tooth grind for cross-cutting and ripping in all woods. The IRWIN Construction Mitre Circular Saw Blade has the followingSpecifications Bore: 30mm. Tool Boxes & Storage.