4 Arm Base for Tall Tier Stand. Includes: 20" 4-arm base with 4 stability pegs and base bolt. easily adds 4 base cakes to your tall tier cake stand. The 4 arm-base can be used with any plate from the basic set, except the 18" footed plate. Up to 3 graduated tiers can be added to the center columns. Use with 13.5" column, bottom column bolt, and four 12" plates sold separately.