Swim Platform Measurements

[jmad78]

Morning! Anyone close to their boat and can provide a measurement for a swim platform? Trying to order a platform cover (to protect the new marine mat while it sits on the lift and bakes) for our '12 242. My assumption, which may be wrong, is that any of the platforms with the flip down step should work. May be a bad assumption, but should give me an idea. I found one that should work, but just want to double check measurements.