Body-Solid GSR10 Vertical Stability Ball Storage Rack - Holds 3 Exercise Balls Stability Balls NOT INCLUDED (sold separately). Compact vertical storage that fits perfectly into any corner. Holds up to 3 inflatable exercise balls sized 45cm, 55cm, 65cm, or 75cm. Can be assembled as 3-tier rack (74" high) or as 2-tier rack (39" high). Commercial-rated steel mainframe construction. Silver Color. 31 pounds.