ToolShed 136mm TCT Circular Saw Blades. Quality tungsten carbide tipped saw blades, beautifully made, precision ground and balanced, and made in a factory alongside other well known professional blades, but at a more realistic price. Suitable for hand held circular saws. (Basic Rule: less teeth for ripping, more for cross cutting and finer cuts). Specifications. Size - 136mm. Centre/Arbor - 10mm. Number of teeth - 30