Features: 1/4″ Male Screw to 5.0cm Diameter Magnetic Suction Head for Sports Camera Sports Camera Mobile Phone Holder. Strong magnetic composition, magnets are used for holding, mounting and fixing; slip proof rubber coated magnets, scratches proof mounting magnets Easy to use, rubber coated pot magnets contain neodymium magnets, the 50mm magnetic base with a strong pulling power,for retail fixing and can hold heavy objects without leaving marks on the ferrous surfaces Magnetic 1/4 male thread for sports cameras, LED task and signal lighting, mobile phone tablet holders, equipment, control panel and mounting fixtures Multifunctional, 1/4 male screw attaches to tripods or camera, magnetic base attaches to iron or stainless steel surfaces Specifications: Material: Plastic + magnetic magnetic diameter about 5.0cm/1.97in suitable for various 1/4 female sports cameras, fill lights mobile phone tablet stands Load weight 400g Package Includes: 1Set magnetic 1/4 Male Thread Stand note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.