RAM® Quick-Grip™ XL Phone Mount with Twist-Lock™ Suction Cup - Medium (RAM-B-166-PD4U) Product Line_Track Ball 3mm and the thread length

3mm and the thread length is 10

3" x 3" Square Plate

but it is compatible with RAM's full line of mounting solutions ideally suited for personal and fleet use

Features & Specs: Product Dimensions: Overall Length: 3

RAM® Quick-Grip™ XL Phone Mount with Twist-Lock™ Suction Cup - Medium (RAM-B-166-PD4U) Product Line_Track Ball 3mm and the thread lengthThis suction cup mount for vehicle windshields includes the spring loaded RAM Quick Grip XL holder providing a secure fit for a variety of large phones and other devices. The adjustable side keepers ensure that the device stays in place during rough driving and when in landscape mode. Included is a medium length B size socket arm, B size RAM diamond ball base with 1" diameter ball and included hardware. Make sure to thoroughly clean the surface you