The install kit is high quality and durable. There are plenty of videos on YouTube to show how to use it. I installed my fin box with no problems and it looks great after glassing. The only reason I didn’t give 5 stars is because it should be explained early on that the router bit for the single fin box is 1/2” shank and the bit for quad, thruster, twin boxes is 1/4” shank and the router recommended for installing those boxes doesn’t handle a 1/2”shank. So you need two different routers. I understand why the different bit sizes, but just explain that up front.
