THE 5 HOLE - TRIANGULAR PIVOT PLATE IS A STRONG EXTERNAL CONNECTION METHOD THAT IS TYPICALLY USED WITH A NUB TO CREATE A STRUCTURED ANGLE CONNECTION BETWEEN PROFILES. THIS FASTENING OPTION PROVIDES A LONG-LASTING CONNECTION AND REQUIRES NO MACHINING SERVICES. IT CAN BE EASILY ASSEMBLED, LENDING ITSELF TO REPOSITIONING AND REUSE. THE SUGGESTED MOUNTING HARDWARE CAN BE FOUND ON THE "SUGGESTED HARDWARE" TAB. HELPFUL HINT: USE DOUBLE SLIDE-IN ECONOMY T-NUT BOLT ASSEMBLIES TO SAVE TIME AND MONEY. TIP: PRE-LOAD YOUR HARDWARE PRIOR TO CONNECTING PROFILES TO SIMPLIFY YOUR ASSEMBLY AND SAVE TIME.,