1. Neewer Camera Tripod Boom Arm: External Multi-Angle Center Column Extension Arm for Studio Outdoor Macro Over Head Shooting (32cm Length, 5kg Load Capacity, 25mm Tube Diameter, Ball Head Not Included)
![Neewer Camera Tripod Boom Arm: External Multi-Angle Center Column Extension Arm for Studio Outdoor Macro Over Head Shooting (32cm Length, 5kg Load Capacity, 25mm Tube Diameter, Ball Head Not Included)](https://m.media-amazon.com/images/I/61QgoO6ePuL._AC_SX500_SY500_.jpg)
2. Benro Aluminum Short Center Column for 1 Series Tripods (ASC1)
![Benro Aluminum Short Center Column for 1 Series Tripods (ASC1)](https://m.media-amazon.com/images/I/21fJX3M55oL._AC_SX500_SY500_.jpg)