Tee Flat Plate, Silver, Anodized, Number of Mounting Holes 5, Overall Height 4 1/2 in, Slide-In, Overall Length 4 1/2 in, Overall Width 5/8 in, Aluminum 6063-T6, Inside Corner Bracket Style Tee, 15 Series, System of Measurement Inch, For Profile Width/Height 5/16 in, Joining Plate, For Slot Width 21/64 in