RAM® X-Grip® Large Phone Holder with Ball – B Size (RAM-HOL-UN10BU)
Product Overview
The RAM® X-Grip® Large Phone Holder with Ball (RAM-HOL-UN10BU) is one of the most popular and versatile smartphone mounting solutions from RAM® Mounts. Its innovative spring-loaded X-design expands and contracts to securely grip a wide variety of large smartphones, even when they are inside protective cases. The open-frame design keeps your device fully accessible, allowing easy access to buttons, charging ports, cameras, and fingerprint sensors.
Constructed from marine-grade powder-coated aluminum, stainless steel components, and high-strength composite materials, the RAM® X-Grip® is engineered for exceptional durability in demanding environments. It includes a B Size (1-inch) RAM® rubber ball, making it compatible with all RAM® B Size double socket arms and mounting bases. The integrated RAM® ball-and-socket system offers nearly unlimited adjustability while reducing vibration and shock, helping protect your device during travel. For outdoor and high-vibration applications such as motorcycles and ATVs, an optional device tether is included for added security.
Key Features
- Innovative spring-loaded X-Grip® design securely holds large smartphones.
- Open-frame construction keeps buttons, charging ports, and cameras fully accessible.
- Compatible with phones ranging from 1.75″ to 4.5″ (44.5 mm to 114 mm) in width.
- Fits most smartphones, including devices with protective cases.
- Includes B Size (1″) RAM® rubber ball for compatibility with RAM® mounting systems.
- Near-infinite adjustment using RAM® ball-and-socket technology.
- Provides vibration and shock damping to help protect mobile devices.
- Includes optional device tether for extra security during rugged outdoor use.
- Built with marine-grade aluminum, stainless steel, and high-strength composite.
- Designed for professional, industrial, automotive, and recreational use.
- Backed by a RAM® Lifetime Warranty.
Key Specifications
| Specification | Details |
|---|---|
| Product Name | RAM® X-Grip® Large Phone Holder with Ball – B Size |
| Part Number | RAM-HOL-UN10BU |
| UPC | 793442940873 |
| Ball Size | B Size (1″) |
| Phone Width Compatibility | 1.75″ to 4.5″ (44.5 mm to 114 mm) |
| Mount Type | Diamond Base with B Size Ball |
| Holder Design | Spring-Loaded X-Grip® |
| Materials | Marine-Grade Powder-Coated Aluminum, Stainless Steel, High-Strength Composite |
| Device Access | Full Access to Buttons, Ports, and Camera |
| Shock & Vibration Damping | Yes |
| Device Tether | Included |
| Warranty | Lifetime Warranty |
Key Benefits
- Securely grips a wide variety of smartphones without obstructing the screen.
- Compatible with most protective phone cases.
- Open design allows uninterrupted charging and camera use.
- Excellent vibration resistance for vehicles and outdoor environments.
- Fast installation with any RAM® B Size mounting system.
- Durable materials ensure long-lasting performance in harsh conditions.
- Optional tether provides additional security for motorcycles, bicycles, ATVs, and off-road vehicles.
- Flexible mounting angles improve visibility and user comfort.
Applications
Ideal for:
- Cars and SUVs
- Commercial fleet vehicles
- Motorcycles
- Bicycles
- ATVs and UTVs
- Trucks
- Agricultural machinery
- Construction equipment
- Forklifts
- Marine and boating
- Emergency response vehicles
- Warehouse operations
- Office desks and workstations
Compatible Accessories
Frequently paired with:
- RAM® Twist-Lock™ Suction Cup Base with Double Socket Arm
- RAM® Double Socket Arm – B Size (Short, Medium, or Long)
- RAM® Tough-Claw™ Clamp Base
- RAM® Handlebar Mounts
- RAM® Motorcycle Mounting Kits
- RAM® Dashboard and Windshield Mounts
Why Choose the RAM® X-Grip® Large Phone Holder?
The RAM® X-Grip® Large Phone Holder combines versatility, durability, and ease of use in one professional-grade mounting solution. Its signature X-shaped spring-loaded cradle securely accommodates a broad range of smartphones while maintaining complete access to the device. With rugged construction, superior vibration damping, and compatibility with the extensive RAM® mounting ecosystem, it is an excellent choice for drivers, field professionals, motorcyclists, fleet operators, and outdoor enthusiasts seeking a reliable and adjustable phone mounting solution.
SEO Keywords
RAM X-Grip Large Phone Holder, RAM-HOL-UN10BU, RAM Mount Phone Holder, B Size RAM Mount, X-Grip Smartphone Holder, Large Phone Mount, Universal Phone Holder, Motorcycle Phone Mount, Vehicle Phone Holder, Heavy Duty Smartphone Mount, RAM Ball Mount, Adjustable Phone Holder, Marine Grade Phone Mount, Shock Resistant Phone Holder, Professional Mobile Device Mount, Industrial Phone Holder.






