ROCKER BASE FOR ROCKING BOX ROCKER BASE FOR ROCKING BOX Features: used individually as unstable tilting base or to be applied to Rocking Boxes. Use: proprioceptive exercise Models and sizes: Art. 16287 Rocker Base for Rocking Box (1) - 90x75x9 cm Art. 16360 Rocker Base for Rocking Box (2) - 90x75x12 cm Art. 16288 Rocker Round Base for Rocking Box(3) - diameter 75 cm