Amazon
Pack of Ten 35mm springs for traditional letterboxes (not suitable for modern styles - see below) Arms 24mm long (can be trimmed with wire cutters if necessary) The internal diameter is suitable for rods up to 4.5mm diameter Made from 1.3mm diameter Zinc Plated wire for corrosion resistance
Pack of Ten 35mm springs for traditional letterboxes (not suitable for modern styles - see below) Arms 24mm long (can be trimmed with wire cutters if necessary) The internal diameter is suitable for rods up to 4.5mm diameter Made from 1.3mm diameter Zinc Plated wire for corrosion resistance