Boeray 1pcs 7 Hole Cross Joining Bracket Plate for Aluminum Extrusion Profile 3030 Series, 7 Hole Joint Plate Material: Aluminum Alloy Dimension: 150x90x30mm Hole Diameter: 6.3mm(Thread M6) Pack Quantity: 1pc Used for: 3030 Aluminum Extrusion Profile slot 8mm