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)

2. Benro Aluminum Short Center Column for 1 Series Tripods (ASC1)

3. Manfrotto 555B Leveling Center Column with 50mm Leveling Ball for 055PRO tripod

4. Feisol Elite CT-3472LV Rapid 4-Section Carbon Fiber Tripod with Leveling Center Column – Supports 66 lbs
