THE 3 HOLE - TRIANGULAR PIVOT PLATE IS AN EXTERNAL CONNECTION METHOD THAT CAN BE USED EITHER WITH A NUB OR MOUNTED DIRECTLY TO THE T-SLOT. IT IS TYPICALLY USED 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 FOR THE 3 HOLE - TRIANGULAR PIVOT PLATE 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.,