The 2.08-meter S610M+ prioritizes maneuverability and can handle up to 40 g. The 2.21-meter S73M is rated for a maximum of 35 g; the 2.18-meter S72MH offers more power with a maximum of 60 g.
Choose the length based on the space available and how you plan to work the lure. For a shad, factor in the head and body; for a jig, choose a weight that allows you to follow the drift. The two-piece design makes it easier to carry to the boat.