Mesee 4 Pieces Cove Core Box Router Bit Set Industrial Grade Round Nose Groove Router Bits Woodworking Milling Cutter Tool, 1/4-Inch Shank

I would recommend them to a friend or family

Works as expected.

Arrived next day nicely packaged in individual plastic containers. I have a project which requires a lot of different sized grooves (don't ask) and these cut very cleanly in oak.

Have done a lot of cuts and the blades are still very sharp.