first4magnets high grade Sm2Co17 samarium cobalt magnet;Each magnet's north and south pole are on the opposite largest flat faces;Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth and clean finish;Supplied in first4magnets packaging with applicable warning label;first4magnets health & safety data sheet included with order

• first4magnets F4025SC-1 40 mm O.D. x 25 mm I.D. x 5 mm Thick Samarium Cobalt Ring Magnet with 11.4 kg Pull
• 40mm O.D. x 25mm I.D. x 5mm thick

first4magnets F4025SC-1 40 mm O.D. x 25 mm I.D. x 5 mm Thick Samarium Cobalt Ring Magnet with 11.4 kg Pullfirst4magnets