This is no ordinary Gooseneck Car Mount, this is a reinforced Aluminum Gooseneck which mounts to your vehicle's floor or is bolted to your passenger's seat floor board. It's still as flexible as a non-aluminum gooseneck mount and is ideal for use for those who operate heavy machinery. Simply place your HTC Thunderbolt into the Custom Fit Cradle and then attach to the Aluminum Gooseneck. No drilling is required, simply use the included bolts for a secure hold. The Gooseneck measures 18" and is easily manipulated to your choice of viewing positions. Safety first……With Amzer's 18" Aluminum Gooseneck Floor Mount for your HTC Thunderbolt!