rivet Material: brass,iron Shape: pyramid RivetMaterial: brass,ironShape: pyramidColor: nickel, antic brass, golden, black or painting other colors.Size: 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 15mm, 18mm, 20mm, 25mm.Packing: 1000pcs/bag, 2000pcs/bag, or 5000pcs/bag Very competitive prices with good quality.