Hergo Easy Mount Cart - Post, Star Base & Stabilizer The foundation of any Hergo Easy Mount Cart is a post and base. Choose from two main Post/Base systems: Post with a Star Base with Metal Circular Stabilizer Post with a Flat Mounting Base Features of the Post, Star Base & Stabilizer: 60”H Post, 2” Diameter, Chrome Finish. Star Base, Chrome Finish – Five 4” casters – 3 lockable. Circular Base Stabilizer – for added strength and durability. Add any number of options to tailor a Hergo Easy Mount Cart to meet your specific needs.