55. The organizer shall provide the necessary equipment for setting up the ring and shall ensure that the ring meets the following specifications:(1) it shall be no smaller than 4.8 m × 4.8 m (16 ft × 16 ft) and no larger than 6 m × 6 m (20 ft × 20 ft) inside the ropes;
(2) the ring apron shall extend beyond the ropes by at least 30 cm (12 in);
(3) the ring floor shall be positioned between 1.2 m (4 ft) and 1.5 m (5 ft) from the floor, and shall be covered with a protective mat of “ensolite” or an equivalent material at least 2.5 cm (1 in) thick and with a clean, tightly stretched canvas;
(4) the ring covering shall be securely attached under the ring apron;
(5) 4 ropes 2.5 cm (1 in) in diameter shall be used and shall be strung tightly at heights varying from 46 cm (18 in) to 137 cm (54 in) above the mat;
(6) the ropes shall be covered with a smooth material;
(7) the ropes shall be connected to one another on each side of the ring in such a manner that the distance between them is no greater at the mid-point of each side than at the 4 corners. The connecting ropes shall also be aligned vertically;
(8) the ring platform shall be solidly constructed, shall be stable and level, and shall have no uneven areas;
(9) the ring platform shall be equipped with 4 metal corner posts which shall be padded and covered with a protective material at their upper end; and
(10) the ring shall be equipped with 2 sets of ring steps at opposite corners for use by the contestants and with at least 1 set of ring steps for use by officials and authorized persons. The steps shall be solidly attached.