This assembly comes with two 4396 straight arms and one 4387 zero degree pivot nub 15 Series compatible Used to create a structural angle connection between profiles Suggested mounting hardware 3320 assembly hardware recommended to mount arms to t-slot (not included) Made out of 6105-T5 aluminum (or equivalent) with a clear anodized finish

The standard structural pivot assembly with dual straight arms comes preassembled with the pivot arms connected to the nub and includes the hardware to connect the nub to the mounting profile. It consists of one 0 degree, 90 degree or universal structural pivot nub and two straight structural pivot arms.