U-Channel, AL 6063, 1 In Leg, 2 In x 8 ft | Zoro.com
CRL Polished Stainless U-Channel for 1/2" or 5/8" Glass - 10 ft long - Screen Door Hardware - Amazon.com
Everbilt 1/2 in. x 1-1/2 in. x 36 in. Plain C-Channel with 1/8 in. Thick 800197 - The Home Depot
Cold Rolled Painted Channel Steel Pressed U Profile Hanger Slotted 100X50X6mm Galvanized Steel C Channel Weight - China Steel C Channel, C Channel | Made-in-China.com
Steel U-Channel 1/2" x 1" x 2ft - Model Number: 60650