■ From A-PEN65 to A-PEN68 – A Redesigned Structure The A-PEN68. In fact, this model, having been scaled up from the A-PEN65 to the A-PEN68, is a lure whose structure has been fundamentally redesigned. A good point of comparison is the original A-PEN90. While the A-PEN68 faithfully inherits the DNA of its feel, its internal structure has been designed to be simpler and more efficient.