The largest set made by Yonico, this 70 piece professional quality router bit set is manufactured with C3 (K10) carbide cutters with ultra sharp cutting edges. Bits are precision balanced to within .002″ to virtually eliminate vibrations. Fully enclosed, high quality lubricated bearings will provide smooth operation. In addition, a heat resistant coating is baked on to prevent pitch and resin build-up. Beautiful solid wood storage case included. This set comes in either 1/2″ of 1/4″ shank.
These sets are highly rated on Amazon with a rating between 4.2 and 4.7 as of this writing.
Here is an in-depth review of some Yonico bits: