Shockwave S5 Swivel [SW-05592]S5 Swivel This robust 360 degree Swivel is designed to pair with the S5 suspension bases and the Shockwave S5 Corbin seat, and has 16 positions and a positive lock that engages every 22. 5. Shockwave accessories are designed to fit the Shockwave S5 Corbin seats and may not fit off brand marine seats. Please ensure your seat bolt pattern will work with Shockwave accessories, or consider buying or building an adapter. Vessel Application: The