I cannot recommend this item enough. For the price and performance I am 100% I made the right choice both in buying from this company and the 2 row version. The packaging is top notch, and using the YouTube video it is very straightforward. Does take several hours to install. Make sure you have snap ring pliers…. I had to go buy some. Product works amazing and much better finish than the OEM blades. Also…. Just cleaning and oiling all the planer parts during the install is an added benefit and overall my machine works better than new. If you are on the fence, don’t be. Awesome product.