SmallRig Double Ball Heads with Cold Shoe and Thumb Screw 1135is a multi-function double-ball head on both ends with shoe adapter and 1/4" screw. It can mount monitors and LED lights to DSLR. The ball head can rotate 180º and has a 1/4"-20 screw on top.It can be mounted directly to a DSLR or camcorder&x27;s shoe mount. Also, it is compatible with a full array of other video accessories. Used to attach monitors or small lights to your camera while shooting videos, this ball head has a single locking knob for fast and safe operation.