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
Everbilt 1 in. x 1 in. x 1/8 in. x 48 in. Aluminum Trim Channel 800177 - The Home Depot
Steelworks 3/4-in W x 8-ft L Mill Finished Aluminum Weldable Trim Channel in the Channels department at Lowes.com
U Channel 18 gauge Pre-Cut (3 ft)
U Channel 1" x 2" x 1" - 10'L -16 gauge - Yorktech Supply
U-Channel, J-Channel & Metal Channel :: Johnson Brothers :: Metal Forming Co.
Amazon.com: Newhouse Electric 1-5/8 in. 14 Gauge Metal Strut Channel with Slotted Back Electro-Galvanized 2ft. (SC14-2-EG),Silver : Industrial & Scientific
Amazon.com: Surprecision Metal Strut Channel with Slotted Back 300mm/11.81" Pre-Galvanized Steel U Channel 1 Pcs Framing Steel Channel - Efficient Support Solution (Thickness 2.3mm, Size 41x41mm) : Industrial & Scientific
Channels | MP Metals Products is a quality producer of common metal channels
CRL Brushed Stainless U-Channel for 1/2" or 5/8" Glass - 10 ft Long - Screen Door Hardware - Amazon.com
FIBERGRATE, 6 in Outside Base Wd, 0.25 in Base Thick, Fiberglass U-Channel - 4ATN4|870820 - Grainger
Amazon.com: SKTREX 5 Feet Length Strut Channel Trolley Track,1-5/8" high and Wide 12 Gauge Metal Steel u Channel with Short Slotted Back Channel - Pre-Galvanized Zinc Finish for Durability (Pack of One) :
Recycled Rail Steel U-Channel End Posts
Everbilt 1/2 in. x 1-1/2 in. x 36 in. Plain C-Channel with 1/8 in. Thick 800197 - The Home Depot