Optional caster kit for Gondola Merchandiser. With an "H" shaped design, this gondola slatwall fixture comes with a 4' x 4', double-sided center panel, and two single-sided end panels. Although it takes up minimal floor space, this slatwall display actually provides you with 48 square feet of display space using a little more than eight square feet of space. This retail product display can use all slatwall accessories and shelves. Base measures 6" high. Caster kit available, sold separately.