SUNKEE 3pcs Magnetic Hook,40 Pound Round Base Magnet Fastener with Eyebolt Chrome Plate ,Neodymium Iron Boron Magnet With Circular Rings For Salvage,1.26" Diameter, 1.18" Total Height Material:Strong Neodymium magnet + A3 steel + 304 ring Theory of vertical force:40 Pounds The theoretical level of tension:6 Pounds Size: 1.26"x1.18" (Diameter*Height) Working temperature: 175F (80) Total 3 pcs magnetic hook