RAM® X-Grip® Large Phone Mount with Flex Adhesive Base - RAP-B-378-UN10U

Part#: RAP-B-378-UN10U   UPC: 793442940958 Patented




The RAP-B-378-UN10U consists of the flex adhesive base with 1" ball, double socket arm and universal X-Grip® cradle. Using a PSA stick pad, put the flex adhesive mount practically anywhere you want to keep your portable electronics easy to see and always within your reach. Designed with a very small foot print, finding a home on your scooter, motorcycle, kayak, boat or vehicle dash is easy.

The mount is designed with a RAM 1" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles. The included X-Grip® cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. The spring loaded X-Grip® cradle expands and contracts, allowing for a perfect custom fit of your cell phone.

The X-Grip® includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.



  • Flex adhesive ball base provides a strong mounting surface in a wide variety of use cases, such as a vehicle dash

  • Spring-loaded 'X' design for large phones with rubber caps sports great holding power without hiding your phone; includes optional device tether for peace of mind during rugged use

  • Made of powder-coated, marine-grade aluminum, stainless steel, and high-strength composite for durability and reliability in the most demanding environments

  • Backed by a lifetime warranty


(1) Optional Tether

(1) Glue Tube for Rubber Caps
(1) 2.5" Double Sided Adhesive Disc
(1) Alcohol Prep Pad

Width Range: 1.75" - 4.5"

Depth Range: .875" max


2.5" Diameter

B Size (1")

Standard Use: 2 lbs

Heavy-Duty Use: 1 lb

High strength composite

Stainless steel


Compatible Devices: 

iPhone 6s Plus iPhone Xs Max iPhone 13 Pro Max iPhone 15
iPhone 7 Plus iPhone 11 Pro Max iPhone 14 Plus iPhone 15 Plus
iPhone 8 Plus iPhone 12 Pro Max iPhone 14 Pro Max iPhone 15 Pro Max


Galaxy A7 Galaxy A9 (2018) Galaxy E7 Galaxy Note20 Ultra Galaxy S21 Ultra 5G
Galaxy A7 (2017) Galaxy A70 Galaxy Grand Neo Plus Galaxy On7 Galaxy S22 Ultra 5G
Galaxy A7 (2018) Galaxy A80 Galaxy J7 Galaxy S10 5G Galaxy S23+
Galaxy A8 Galaxy A90 5G Galaxy J7 Max Galaxy S8 Galaxy S23 Ultra
Galaxy A8 (2016) Galaxy C7 Galaxy J7 V Galaxy S8 Active  
Galaxy A9 (2016) Galaxy C7 Pro Galaxy Note 5 Galaxy S21 5G  
Galaxy A9 Pro (2016) Galaxy C9 Pro Galaxy Note 10 Plus Galaxy S21+ 5G