8" x 3.75" x 1/4" x 0.41" Alum Channel 6061-T6-Extruded Alum Association | Online Metals
Outwater Clear Anodized 1/4'' Inside Dimension Aluminum U-channel 36'' Length (pack Of 4) Alu257-s C-channel in the Furniture Moulding department at Lowes.com
4" x 1.647" x .247" Aluminum Channel – Des Moines Steel Inc.