The mini tablet holder has a spring loaded holder that expands and contracts for the perfect fit of your tablet. It has rubber coated tips that will hold your tablet firm and stable. The versatility of the holder allows for attachment to 1” socket mounts. The socket technology allows for multiple adjustment angles and articulation of your tablet. It has easy access grip knobs located on the back of holder for quick release. It’s rustproof, Made in the USA and has a lifetime warranty.