Adjustable Tongue and Groove Router Bit - EXPLAINED

Great Tongue & Groove Router Bits!!!
After researching, I purchased this set today because it appeared the most universal groove widthwise and board thickness size: http://a.co/cDkuIvF
http://tinyurl.com/hh7llgk Adjustable Tongue & Groove Bit, Freud 99 036 - Unboxing
http://tinyurl.com/z8ljzbo Adjustable Tongue and Groove Router Bit - EXPLAINED