Heavy duty staples suitable for a range of professional second fix applications including carpet fitting, roof insulating, woodworking and more. Manufactured from A2 Stainless Steel offering superior corrosion resistance, perfect for external applications. Stainless steel must be used where there is corrosive environment and/or the base material has inherent corrosive characteristics e.g. Green Oak.Super sharp chisel point.Heavy duty 1.2mm wire.Suitable for internal and external applications.Flat crown for improved material clamping.