Bescor Super Clamp
A staple on image maker's sets and in their kit bags, the Gripper Clamp from Bescor has jaws with a 0.5 to 2.1" range allowing it to grip poles or flat objects via the included wedge or pipe inserts. The Gripper has a ratcheting tightening handle that works well in tight spaces and comes with a 5/8" hex pin with male 1/4"-20 threads for attachment to other accessories.