What's the pole vault pole length?

The pole rules of pole vault poles length must be between 4.48 and 4.52 meters.

The falling area of pole vault is at least 5 meters by 5 meters, and the major competitions are 6 meters by 6 meters. Sponge bags 1-1.5 meters thick are laid on both sides of the landing area and the hopper. The approach track is 1.22 meters wide and at least 40 meters long. The pole vault hopper is made of wood, metal or other solid materials. The bucket should be buried underground and the upper opening should be level with the ground. The distance between the two pillars or extension arms of the pole vault should be no less than 4.30 meters and no more than 4.37 meters. The cross bar can be made of glass fibre, metal or other suitable materials. Its length is 4.48-4.52 meters and its maximum weight is 2.25 kilograms. From the early trunk, bamboo pole, to the later aluminum alloy, glass fiber, composite plastics, the material of the pole changes with the progress of science and technology, and the length and diameter of the pole are unlimited in the competition.we can produce many kinds of olympic gymnastics mat, childen gymnastics mat, sport needing equipments.