SmallRig Super Clamp with 1/4" and 3/8" Thread (2pcs Pack) 2058 1. It includes 2pcs of Super Clamp with 1/4" and 3/8" threads, and it is lightweight and durable. 2. It is compatible with 15mm-44mm rods, which could be tightened by locking lever. 3. It is equipped with 1/4’’ and 3/8’’ threaded holes for DIY operations, so that more mountings could be extended. 4. It could be mounted onto anything like cameras, lights, umbrellas, hooks, shelves, plate glass, crossbars, even other Super Clamps very stably.