Specification: Product Name: Magnet Base Material: neodymium magnet and rubber Color: black Diameter: 1.69 in/43mm Height: 0.24 in/6mm Screw: M6 x 0.4 (10mm thread length) Quantity: 6pcs Note: 1.There may be slight differences between the picture and the actual color of the commodity. We will try our best to show you the exact color. 2.Please allow slight dimension difference due to manual measurement. 6 x Magnet Base Feature [Strong Magnet] Our magnet base is made of neodymium magnet and rubber, strong and durable, rust-proof and wear-resistant, with exquisite workmanship, which has an incredible holding power, perfect for various applications in your life. [Size Information] You will get 6pcs mounting magnets, and each one measures about 1.69 in/43mm in diameter, 0.24 in/6mm height, with M6 x 0.4 screw (10mm thread length), appropriate size for installing the light, blackboard, and other items. [Rubber Coating] The rubber coating on the surface of the magnet can protect the magnetic force of the magnet, and it is not easy to break or deform during normal use, thus prolonging the service life of the magnet. At the same time, the smooth surface can also prevent scratching objects. [Easy To Install] Each neodymium magnet is designed with a countersunk center hole that is perfect for mounting with a screw. We provide screws to help you install these magnets, very easy to install. [Wide Application] These stud magnet is suitable for fixing working Light, car lighting bar, display panel, automatic equipment, tools, machines, calendar, map, billboard, dry erase board, and more, widely used for home, storehouse, warehouse, garage, workshop, office, classroom, school, and other places.