Heavy-Duty Magnet Mount Kit is a powerful magnetic smartphone holder that includes everything you need.   Featuring twenty N52-Grade Neodymium Magnets, it securely grips and supports your phone.  Plus, its low-profile design features a 1mm iron neodymium boron sheet and an outer diameter of 56mm, ensuring the mount is discreet and unobtrusive.
 

Features:

• Powerful magnetic phone mount for keeping your phone stable and secure when mounted
• Features twenty N52-Grade Neodymium magnets to keep your phone fixed in place
• Low-profile design delivers a discreet magnetic phone holder
• 17mm Ball-Compatible MagSafe Heavy-Duty Magnet Mount Kit features a 17mm ball pattern 

Dimensions:

• 2.20" L x 0.20" W x 0.055" H, 4 oz.