Universal wheel match what are the benefits to the pull rod box?

Universal wheel, adjust the feet manufacturers with the design development of bags, now a lot of pull rod box is equipped with a universal wheel, a lot of friends in presence of universal wheel when buying bags for reference factor, this is because the universal wheel in a lot of good after the application of rod box, we follow the small make up together and see it. Universal wheel is pull rod box at the bottom of the shaft part is composed of the wheel and the fixed bracket, without the wheels of the universal function before and after rolling, has the universal wheel box can be arbitrary rotation, so the image is called the universal wheel. Have a lot of good universal wheel box, mainly can save a lot of strength to drag boxes. Box has universal wheel is at the bottom is made up of two universal wheel and two directional wheel, when you use the pull rod is directed at work, and box stand to promote universal wheel and play a very important role, even a child can move easily to promote universal wheel rolling suitcase is very heavy. Nowadays, generally have high rolling suitcase brands are universal wheel, wheel is good, everybody when buy, can try to drag, see if there is a noise, drag whether smooth, so the quality of the universal wheel can check out soon.