Steelworks 1-in W x 1-in H x 8-ft L Mill Finished Aluminum Solid Angle in the Angles department at Lowes.com
Amazon.com: 10pcs L Bracket Corner Brace 1x1 inch (25x25mm) - 90 Degree Right Angle Fixing Joining Brackets - L Shaped Metal Support Fastener for Shelves, Wood, Bookcase, Cabinet, Chair, Drawer, Table with
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Quality Hot Rolled Steel Angle - 1 Inch X 1 Inch X 1/8 Inch Supplier in Los Angeles, CA, USA | Bobco Metals