Ryobi introduces the Ryobi 4-Piece Round over Router Bit Set. The bit set contains 1/4 in., 3/8 in., 1/2 in. sized round over router bits with a bonus 1/8 in. bit. To learn more about Ryobi tools go to Ryobitools.com and check out Ryobi Nation. See below for more information on this tool.