10pcs 2 Hole Black 90 Degree Inside Corner Bracket Kit for 2020 Aluminum Extrusion Profile 20x20 Slot 6mm with 20pcs t nut + 20pcs hex Screw + 1pcs Wrench. 10pcs 2 Hole 90 Degree Inside Corner Bracket Kit for 2020 Aluminum Extrusion Profile 20x20 Slot 6mm with 20pcs t nut + 20pcs hex screw + 1pcs wrench.
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