These white ferrite hook magnets are ideal for hanging signs and decorations from a steel ceiling....These white ferrite hook magnets are ideal for hanging signs and decorations from a steel ceiling. Commonly used in shops to suspend advertising signs, the ferrite magnets are sunken into a steel shell, increasing their adhesive force for a strong hold. Each magnet can support a steel weight of up to 21.3kg vertically from the magnetic face when in flush contact with a mild steel surface.
These white ferrite hook magnets are ideal for hanging signs and decorations from a steel ceiling. Commonly used in shops to suspend advertising signs, the ferrite magnets are sunken into a steel shell, increasing their adhesive force for a strong hold. Each magnet can support a steel weight of up to 21.3kg vertically from the magnetic face when in flush contact with a mild steel surface.