The RAM® Tough-Claw™ Small Clamp Ball Base (RAP-400U) is a highly versatile mounting solution featuring quick, tool-less installation. It securely attaches to a wide range of rail shapes (round, square, or irregular) that measure 0.625" to 1.5" in outer diameter. This base makes it easy to mount tablets, action cameras, smartphones, rod holders, and more across countless applications—perfect for anything you want to quickly attach or remove as you move between vehicles. Its portable design lets you effortlessly transfer it from an aircraft yoke to motorcycle handlebars or seat posts, kayak rails, roll bars, and beyond.