I've used Teak Oil on some, Minwax Colonial Maple then finished off with polyurethane on others, walnut stain/poly for another.
Here's a couple pics...
Colonial Maple on a walnut O'Neal....looks like walnut stain.
Teak Oil on an original handle...
Teak Oil on an O'Neal
Teak Oil on an original '97
Walnut/Poly on an original
Teak Oil on an O'Neal
Walnut on a Walnut O'Neal
Original "The One The Only" I got from Duke.