Description from liquid force website:

BOOST YOUR BOATS SURFING WAVE The LF Wakesurf Edge Inline Pro Wake Shaper 145 will make big wakes BIGGER! The Inline Pro 145 requires a flat surface measuring 3" tall by 13" long - hulls with an outward curve of more than 1/4" over 5", this is YOUR shaper! WSE suction cups will accommodate hull curvaturewith a series of five 2" cups to secure your shaper.

This model of the WSE Line Up is essentially universally compatible, making it work on most makes and models of boats. The adjustable design allows you to shift the WSE location on the fly to fine tune the perfect wave.

Price on their website is $360 and they’re out of stock. I’m asking $300. It’s brand new still in the box, never opened.