This bit cuts great and the price is right! I've been able to cut grooves on my table saw in the past, but I had a project where I knew I would change direction in the floor more than once and over some large areas and do some custom work. I knew I needed a special tool to do this as using a table saw would make a PITA. There are cheaper deals out there, but I wanted the round groove to match the ground and my splines for a good fit. Also, I feel like Amana offers some pretty decent carbide (working oak and maple) and that was top-of-the-line too, so I knew I could get it up and running quickly. Others have mentioned moving or swapping out the bearing to control the cut, but I've used this in my portable router table, which is fine if you need a lot of decking. Would buy it again with great pleasure.
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