Tee Flat Plate, Silver, Anodized, Number of Mounting Holes 12, Overall Height 6 in, 21/64 in, Overall Length 1/4 in, Overall Width 6 in, Aluminum 6105-T5, Inside Corner Bracket Style Tee, 15 Series, System of Measurement Inch, Flat Plate, For Slot Width 21/64 in