Features: 360 degree rotating phone mount with strong magnetic adhesion firmly holds devices during ride, featuring universal for bikes/ebikes (19 39mm handlebars) and metal surfaces. Crafted from strong aluminum with 17mm ball head standard interfaces, this 2025 upgraded phone holder offers weather resistant performances and double magnetic circle for refrigerator/gym equipment attachment. Essential for cyclists, motorcycle commuters, fitness enthusiasts, and parents needing hands without navigation on strollers or outdoor activity . Perfect for city commuting, trail cycling, kitchen recipe viewing, or gym workouts where quick angle adjustment and metal surfaces mounting required. Combines industrial materials (plastic/iron/aluminum ) with multiple scenario adaptability, ensuring vibration without device positioning across vehicle and household/outdoor metal surfaces. Specifications: Material: Plastic + Iron + Aluminum Bottom diameter: about 65mm/3inch Package Includes: 1 set Magnetic Phone Mount note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you not mind before you order. 2.Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.