Metal suction cup base for 1 inch 25 mm ball mounts, compatible with RAM B size ball systems. Metal body with a twistlock composite head and a performance rubber suction pad for secure attachment to windshield, window, and other smooth, nonporous surfaces. Key benefits Secure mounting: Strong suction and a reliable twistlock head keep the 1 inch 25 mm ball mount firmly in place for stable device attachment. Broad compatibility: Designed for B size 1 inch 25 mm ball style mounts, making it compatible with a wide range of phone holders, cameras, GPS units, and other accessories that use this standard ball size. Durable construction: Metal base combined with a composite twistlock mechanism offers longlasting performance and resistance to regular use. Fast install and release: Simple lever and twistlock action enable quick attachment, repositioning, and removal without tools. Surface versatility: Works on smooth, nonporous surfaces such as automotive windshields, glass windows, polished metal, and acrylic panels. Compact and portable: Lowprofile design is easy to move between vehicles or locations and stores neatly when not in use. Product details Function: Suction cup base that provides a stable platform for 1 inch 25 mm ballmounted accessories. Compatibility: Fits B size 1 inch 25 mm ball mounts commonly used by many device holders and mounts. Size: Designed for standard 1 inch 25 mm ball systems. Material: Metal base for strength, composite twistlock head for secure locking, and a rubber suction cup to form the seal on smooth surfaces. Performance: Engineered for strong suction and reliable mechanical lock to minimize wobble and maintain position during normal use. Easy setup (three steps) 1. Clean the surface to remove dust and oils. 2. Press the suction cup firmly against the surface and engage the lever to create the seal. 3. Align the ball mount, engage the twistlock head, and tighten for a secure connection. Use scenarios Incar navigation and hands phone use: Mount a phone holder to the windshield for clear line of sight to maps and calls while keeping the device stable. Portable camera or action mount: Attach a small camera or recording device to a window or glass panel for timelapse, observation, or video capture with minimal vibration. Temporary mounting on boats, RVs, or storefront windows: Provide a removable base for GPS units, small displays, or sensors where permanent mounting is not desired. What it solves Eliminates the need for permanent drilling or adhesive mounts. Provides a stable, standardized connection point for any accessory that uses a 1 inch 25 mm ball. Makes it easy to move the mount between vehicles, rooms, or locations without tools. Compatibility note Intended for use with holders and accessories that accept B size 1 inch 25 mm ball mounts. This suction cup base is a straightforward, durable solution when you need a temporary but stable mounting point on smooth surfaces for devices built around the 1 inch 25 mm ball standard.