3 Generations of Cosmetic Changes
Which lead to the 15N-650M handle. See the photo with labels of 1, 2 and 3.
Generation 1
(also shown above in the single photo)
This was the original 15-650M handle
Flat plain rubberized knob.
Original handle collar with straight angle and solid neck.
GENERATION 1 VERSION IS NO LONGER AVAILABLE.
Generation 2
This is where Penn changed the Knob
Flat rubberized knob with inset grooves for grip.
Still has original handle collar with straight angle and solid neck.
GENERATION 2 VERSION IS NO LONGER AVAILABLE.
Generation 3
This is where Penn changed the collar.
Flat rubberized knob with inset grooves for grip.
New collar with a swoop outward at the wide end and grooved neck.
All of the above changes are cosmetic.
All versions work on the 650SSm reel