Rubber Coated Neodymium Magnets,Anti Scratch Rubber Coated Magnet with M4 Male Threaded Stud&Nuts, Non-Slip Strong Round Magnet Bolt Covers Waterproof

7.7 lb Load Capacity: Thickness of suction cup measures approx. 0.24inch and the diameter measures approx. 0.87inch. featuring a strong vertical magnetic pull force of approx. 7.7 lb/3.5kg, small in size and strong in load capacity, providing more convenience and help for your life. Reliable and Serviceable: the coated neodymium magnets are mainly made of Ndfeb magnets, A3 steel and rubber layer, with magnetic property, not easy to fall off from metal surfaces, not easy to scratch or break, waterproof and lightweight, serving you for a long time No more scratches: The soft rubber can protect the magnet from damage, avoid scratches on the paint surface, and limit the sliding of the magnet on a smooth surface. Function: M4 standard male thread stud, much more compatible for types of material assembly. Ideal for camera stands, video stands, billboards, automatic equipment, tools and machines. What you get: package contains 20pcs round rubber coated magnet and 40pcs M4 nuts. The strong magnetic force and anti-scratch design make it a reliable option for a variety of applications.