I love the Whiteside bits. Made in America and Top Rated by Fine Woodworking. I always try to buy Whiteside for their high quality and affordable price. When using this bit my router will slow down a bit due to the size. I would recommend only using this in the router table due to its size. The drill bit cuts very cleanly with no scorching or roughness in the walnut and hard maple I've used. The only problem is figuring out all the profiles that this drill can cut. Not much information, even on