(1) C-Clamp Clip Mount Bracket with Umbrella Reflector Holder(1) Female Screw Thread Adapter Brass 1/4"& 3/8" Black / Metal & Aluminum / 6.2" HeightMax 35mm Opening ClampAngle AdjustableAttachable to Light StandThis multi-functional clamp mount can be served as an adapterbetween the photo equipment in various situation.