Source U channel to cover 200mm aluminum U -aluminum Chinese supplier aluminium circular hollow section on m.alibaba.com
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
Extruded Aluminum Channels | Aluminum Extrusions for Sale
ALUMINIUM CHANNEL U C PROFILE 32mm 35mm 38mm 44mm 51mm 57mm select size/length | eBay
Alpha Builders - Lipped Channel
ALUMINIUM CHANNEL U C PROFILE 32mm 35mm 38mm 44mm 51mm 57mm select size/length | eBay
Amazon.com: Surprecision Metal Strut Channel with Slotted Back 1500mm/59.06" 304 Stainless Steel U Channel 2 Pcs Framing Steel Channel - Efficient Support Solution (Thickness 1.5mm, Size 41x41mm) : Industrial & Scientific