What is the difference between Foil Blade and Z Blade Bahamas shutters? Is one more durable than the other? The louver or “blade” is the only difference between these two shutters. The Z-Blade is our most economical shutter style. By Strategic Media, Inc.|2017-11-07T15:59:11-05:00September 20th, 2017| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestEmail