SmallRig 15mm LWS Rod Support for Matte Box 2663 is designed to mount SmallRig Matter Box 2660 onto the 15mm LWS rod system via 1/4”-20 screw. The half-open rod clamp allows you to mount to the 15mm LWS rod system directly without disassembling other accessories for saving the time. The rod support can be adjusted 30mm vertically and 6mm horizontally to fit different lenses.