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
8 Foot Flat Back U-channel for 1/4" Glass - Trade Diversified
Steel U Channel 1/4in | SS907
Polycarbonate U-Channel w/ Magnet & Chrome Metal Strike Plate 3/16" & 1/4" Glass | eBay
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
4-Way Street Marker HDW Set, 5-1/4" Blade Holder for U-Channel Post 90 Deg - Iowa Prison Industries
CRL Satin Anodized 1/4" Aluminum "U" Channel - 12 ft Long - Amazon.com
CRL Satin Anodized 1/4" Aluminum "U" Channel - 12 ft Long - Amazon.com