MFX Blind Rivet Aluminium Steel 4.0X6.0, Product Features: Material Sleeve: Aluminum, Material Pen: Steel, Galvanized, Head Shape, Countersunk, Diameter (mm), 4.Content: 500 Pcs. MFX Blind Rivet Aluminium Steel 4.0X6.0 Product Features: Material Sleeve: Aluminum Material Pen: Steel Galvanized Head Shape: Countersunk Diameter (mm): 4 Content: 500 Pcs Masterfix is a versatile item that is essential for various industrial applications. It is a high-quality product that can be purchased at PLC2Day.