The Really Right Stuff Versa Center Column for Series 2 Tripod is a versatile tripod accessory that adds adjustable vertical height to any RRS Versa Series 2 tripod without altering the leg positions. Designed to replace the tripod’s standard platform, this center column allows you to fine-tune your camera height quickly and easily - ideal when you need extra reach without the bulk of extending all tripod legs. It offers up to 12.8" of total travel, with an overall length of about 15.1" when installed, and weighs approximately 11.5oz. The unit is fully compatible with all Versa Series 2 tripods and can be easily removed for compact travel or low-angle shooting, and comes with the necessary set screws and a hex key for secure installation. Really Right Stuff Versa Center Column for Series 2 Tripod RRS-9000551