Our Rail Clamp is made of 6mm thick steel 32 mm wide and has a black powdercoat finish. It attaches to any round rail, pipe or rod from 3/4" in diameter up to 1-3/4". This clamp is suitable for mounting lightweight objects such as the iPad Mini and lightweight cameras and video cameras. For attaching heavier objects such as iPads, check out our heavy-duty Megaclamp
. Rubber pad to protect your clamping surface. Includes screw and washers for attaching to flexible gooseneck or rigid arms.