The RAM X-Grip® Phone Mount with Twist-Lock™ Low-Profile Suction Cup is a heavy-duty, adjustable smartphone holder built for drivers who demand secure mounting on glass, dashboards, and other non-porous surfaces. Featuring the trusted RAM® 1" ball system, this mount delivers exceptional vibration resistance, precise adjustability, and a rock-solid hold—making it ideal for daily commuters, work vehicles, and fleet applications. Key Features Low-Profile 2.75" Twist-Lock Suction Base Engineered for an ultra-strong hold on glass and smooth plastic surfaces, including adhesive dash disks (sold separately). RAM® 1" Rubber Ball & Socket System Dual-socket arm design allows near-infinite adjustment for perfect viewing angles in portrait or landscape. Universal X-Grip® Cradle (Spring-Loaded) Four-leg design provides firm, unobstructed grip without blocking your screen; rustproof stainless components ensure long-lasting performance. Secure Fit for Most Smartphones Expands and contracts to match your device—even with most slim protective cases. Lightweight, Low-Profile & Durable Constructed from high-strength composite and stainless steel for long-term reliability. Optional Safety Tether Included Recommended for rugged outdoor use or high-vibration environments. Made in the USA + Lifetime Warranty Backed by RAM Mounts’ limited lifetime guarantee. Ideal For Everyday driving Commercial fleets & work trucks Rental vehicles GPS navigation Car-mounted video or tracking apps Device Fitment Cradle Fits Devices with the Following Dimensions: Width: 1.875" – 3.25" Depth: Up to 0.875" * If using a case, measure device with case installed. Specifications Suction Cup Diameter: 2.75" Socket-to-Socket Arm Length: 2.1" Weight Capacity: Up to 2 lbs (standard use) / 1 lb (heavy-duty use) Material: High-strength composite & stainless steel Brand: RAM Mounts Part Number: RAP-B-166-2-UN7U Warranty: Manufacturer’s Lifetime Warranty