Introducing the 15mm & 5/8" Pivot Clamps with a unique "Index Ball-Loc" locking system from Upgrade Innovations. The 15mm clamp design has a fully adjustable 360 degree position lock down. It will not move, rotate, or accidentally come loose when locked in position. Great for adding an extra rod to your camera rod set up to add almost anything you can think of on any position. The 5/8" Pivot clamp is perfect for the grip and prop department where you need quick assembly of rods that stay put and yet are quick and easy to adjust. These pivot clamps can also be used in combination with other products made by Upgrade Innovations.