More on Amazon.com : http://www.amazon.com/gp/product/B000O6KDM0?tag=thefatkidin06-20 <br /> <br />Manfrotto 556B Leveling Center Column with 50mm Leveling Ball for 190PRO Tripod <br /> <br />Designed for the Manfrotto 190PRO tripod <br />Ball leveler gives quick and accurate leveling without having to adjust the tripod legs
