1 37/64" Dia Ceramic Black Painted Clamping Magnet with M4 Hook - 22.49lbs Pull (Pack of 40)

Pack of 4040mm diameter x 34mm highThe internal diameter of the hook is 4mm and is 18mm from the tip of its thread to topEach magnet can support a steel weight of up to 10.2kg vertically from the magnetic face when in flush contact with a mild steel surface of equal thicknessBlack powder coated finishThese discreet, gloss-black ferrite hook magnets are great value for money and ideal for hanging signs and decorations from a steel ceiling and are commonly used in shops to suspend advertising signs. The ferrite magnets are sunken in to a steel shell meaning that the north pole is on the centre of the magnetic face and the south pole is on the outer edge around it. The steel pot increases the adhesive force of the magnets giving them an incredible hold for their size.

• IDEAL FOR DISPLAYS. These discreet, ferrite hook magnets are great value for money and ideal for hanging signs and decorations from a steel ceiling and are commonly used in shops to suspend advertising signs.
• STRONG MAGNETIC HOLD. Each magnet can support a steel weight of up to 10.2kg vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness.
• SPECIFICATIONS. 40mm diameter x 34mm high. The internal diameter of the hook is 4mm and is 18mm from the tip of its thread to top.
• PREMIUM FINISH. Black powder coated finish.