By planetary, I mean 4:1 planetary pegs seen here:
I just saw Bill down at Suwannee Banjo Camp. He's a fine musician! Enjoy your lessons!
Bill is a very patient teacher and all around nice guy. I wish I had more time to study with him.
Geared 4:1 pegs cost only $20.00 each, you have choice of composite or ebony finger grips. I chose ebony.