Klingspor brand router bits are made by Whiteside.I have practically every brand of router bit but lately I've been buying Whiteside bits which are made here in NC.
Shouldn't that be 3 1/4 HP instead of 3 1/4 inches? OCD at it's best. ROFLMAOIt’s planer. A planner is something you write a plan in.
OCD is a terrible thing.
I suggest you have to match the diameter to the motor size. A router in a planer sled can be a strain. Be careful about overheating. The largest I use in. 3 1/4” router is 2”.