Grizzly Industrial Ogee 3-1/2" Raised Panel Bit, 1/2" ShankSometimes you want the best money can buy; sometimes your project requires you to use the best router bits made. If so, this router bit fits the bill! Starting with a better quality steel for the bodies (SAE4140), we heat treat it to the appropriate hardness and apply K10 micro grain carbide. We then precision grind the blades to 800 grit (using the wet grinding process) so that it is razor sharp and then finish it with a baked on metallic paint. This