Aluminum Tread Plate; 1,Alloy: 1x,3x,5x ,8x series 2, ... ,H16,H18,H19,H32, 3,Pattern: five bar, finger,diamond; Aluminum Tread Plate Pattern: five bar, finger,diamond... Alloy: 1 series ... (1100, 1050, 1060, 1200), 3 series (3003, 3005, 3105), 5 series (5005, 5052,) Temper: O,H12,H14 ... questions,pls don't hesitate to contact with us Bellasinox Aluminum Tread Plate