FIRST4MAGNETS Black Painted Neodymium Hook Magnet with M4 5/8 in. 21.39lbs Pull (Pack of 1) Licensed Material

IDEAL FOR DISPLAYS. The professional and discreet finish makes these magnets ideal for hanging point of sale (POS) and retail displays. RESISTANT TO CRACKING & CHIPPING. An advantage of these magnets is that they are resistant to chipping or cracking following constant impact with a steel surface. STRONG MAGNETIC HOLD. Each magnet can support a steel weight of up to 21.39lbs vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness. SPECIFICATIONS. 5/8" diameter x 31/64" high including hook or 1/2" excluding hook. The internal diameter of the hook is 1/4". Removable hook with M4 thread.