I was thinking about getting a few Driftmaster rodholders but do not know which angle to buy. What's the difference between these three and what fish are they used for? Driftmaster Lil Pro 5 degree angle Driftmaster Lean Mean 20 degree angle Driftmaster Flatliner 25 degree angle They will be used for catfishing and need to be able to stand up to 20-30lb fish (larger if I'm lucky) and trolling for walleyes/northern or whatever. I like these because I can unscrew them from the base when not in use and they won't get in the way. I imaging I could get different angles and use the proper one for fishing the way I plan on that day. Any experience with these out there? Will 2 or 3 screws actully hold them in place w/o stripping if a big cat starts whaling on the bait?