This pack includes 6 or 12 threaded magnets with a black rubber coating. Each set contains threaded magnets with bolts, M6 spring washers, M6 flat washers, and M6 nuts. The neodymium magnet base is rubber coated to protect the magnet, prevent scratching on painted surfaces, and reduce sliding on smooth surfaces. The rubber-coated round base measures 1.69 inches (43mm) in diameter and contains 6 neodymium magnets with a vertical magnetic pull strength of 22 pounds against a steel surface. Suitable for outdoor use, these vertical neodymium disk magnets feature corrosion-resistant coatings. The outer rubber coating provides waterproof performance for long-term outdoor applications. Equipped with M6 external thread studs, these magnets can be screwed directly into threaded holes or passed through unthreaded holes and secured with washers and nuts to attach various hardware components. Ideal for use with cameras, light bars, display panels, automation equipment, tools, and machinery. Condition: New. Origin: China. Color: Black. Material: Metal and Rubber. Size: Diameter: 43mm. Package Contents: 6 x Threaded Magnets with M6 Bolts, Washers, and Nuts or 12 x Threaded Magnets with M6 Bolts, Washers, and Nuts.