CRL 1/4" x 1/4" Stainless Steel"U" Channel - Pack of 10-12 ft Each - Screen Door Hardware - Amazon.com
Outwater Plastics White 1/4'' Styrene Plastic U-channel/c-channel 36-in Lengths (pack Of 4) in the Furniture Moulding department at Lowes.com
U-channel Seals the Edge of Expanded Metal
1-5/8" x 3-1/4" Strut Channel with Short Slots 1 ft. - Aluminum – Fasteners Plus
Outwater Mill Finish 1/8'' Inside Dimension Aluminum U-channel 36'' Length (pack Of 4) Alu757-m C-channel in the Furniture Moulding department at Lowes.com
FHC | SUCD14 Classic U-Channel 1/4" Glass - 95" Long | Frameless Hardware Company