SmallRig 2PCS Super Clamp Magic Arm Clamp for DJI Ronin /Camera Monitor
It could lock 15mm-44mm rods, which could be tightened by locking lever. It is equipped with 1/4’’ and 3/8’’ threaded holes for DIY operations. It includes 2pcs of Super Clamp with 1/4" and 3/8" threads, and it is lightweight and durable.