To release the RAM Holders hold on your device, simply press the button found at the bottom left side of theÂ holder which will spring the clamps open. At the base of theÂ holder are two small supports to hold the bottom of the item securely in the holder. Dimensions: width: 1.5" - 2.5", Side Clamp Height: 1.56", Side Clamp Depth: 1.13", Height: 3.62". TheÂ holder includes a set of two nuts and bolts to connect to any of the RAM compatible components. If you require a different sized clamp please look at the RAM-HOL-UN2, RAM-HOL-UN3 or RAM-HOL-UN4.