Rigid Design – Ideal for maximum stability. Overview Benro's carbon fiber extension columns are ideal for increasing the maximum height of your tripod while maintaining the same size footprint. These columns break down easily for compact travel and have a solid rigid design for maximum stability. Available in 4 sizes: Series 0, 1, 2 & 3 to match the series of your current tripod These columns break down easily for compact travel and have a solid rigid design for maximum stability. Benro TMA37C Series 3 Mach3 Carbon Fiber Tripod Price Watch and Comparison Tripod Extension Benro TMA38CL Long Series 3 Mach3 Carbon Fibre Tripod Carbon Fibre Tripod Accessory Compact – Breaks down for travel. Benro Rhino Carbon Fiber Three Series Tripod/Monopod | PhotoVideoEDU 3 Sections – Adjust each section to reach the desired maximum height. Available in 4 sizes: Series 0, 1, 2 & 3 to match the series of your current tripod.