Popular design is compatible with most manufacturers’ volleyball systems…whether 3″, 3½” or 4″ • Integrated ratchet style clamp device attaches platform to pole quickly and securely • Comfortable width platform adjusts in 1″ increments from 47″ to 53″ height for officials and play at all net heights • Standard gray 1″ thick player protection padding meets all NCAA, National High School Federation, USBA and FIVB rules • Transports on two floor friendly urethane wheels and rests on non-skid rubber floor pads when in use • Powder coated 1″ heavy wall tube construction • Black, Maroon, Navy, Royal and Scarlet padding is available now at no additional cost • Not recommended with Bison VB6000, VB5000, VB2000T or VB6000T systems • Order SVB73 for use on beach or sand volleyball courts • Five-year limited warranty.