4pc Round Over Edging Router Bits Set 1/4 Inch Shank Roundover Router Bit Set, Corner Rounding Edge-Forming Bit Set -1/4", 3/8", 7/16",1/2" Cutting Radius

perfect - don't have to think - with the roller - there's unlimited do-overs

Item delivered promptly. Well pleased with the items. I would purchase again

The 3/8 radius fell apart while I was using it the first time.

Good