This item is used on multiple models.
4" Overall Length NOTE:
Brushed Stainless Steel Handle Blank
Ergonomic Flat Paddle Handle
As of 12/2/11 Penn has a handle on the newer series 310GT2, 310GT2LC reels, which is stamped 24S-310 on the blade, but has a rubberized football knob. On the schematic it shows as 24N-310.
However, at this time, neither of the handles, 24N-310 nor 24S-310, has the football knob. Both have a flat rubberized ergonomic knob.