Norsea -Stainless steel Removable Table Bracket Set-Easy fitted and removed Perfect for Boat/RV/House and space saver project-Each Set of 2 wall brackets and 2 table brackets Allows tables or other equipment to be easily fitted and removed. Perfect for Boat,RV,House project. Marine grade Stainless Steel with technical eco bright surface treatment. Install with 16 x #10 (M5) flat head screws (not included) is recommended. The thickness is Gauge10 (2.5mm) of our materials to keep it strong and your safety during using. You may need an extra support when using depend on the different table design.