In everyday life, one may notice a variety of trolley boxes, some with brilliant and dazzling colors, others with rustic simplicity. We can always notice their hand-held trolley box figure in business trips, everyday life, or as students.However, the excellent or bad of the trolley box might reveal a person’s preferences. A good trolley box is solid and durable, while a poor trolley box will always unwittingly with the host to make jokes, leaving the owner incomparably ashamed.
The lever is often made of aluminum alloy or steel, with a cut, two-cut, or three-cut construction. Two-cut, three-cut, refers to the lever’s ability to vary the length dependent on the weight of the box. Generally, 20 polzada, 24 polzada, and 28 inch use three-cut, and 28 inch use two-cut. When selecting a lever, consider whether it is built-in and steel or all-aluminum; aluminum is lighter and more durable; otherwise, it cannot be prohibited from savage loading and unloading; additionally, consider the other configuration of the trolley box, such as whether the retractor button settings are humanized, the lever in the pull-up is smooth, and so on.The roller’s material is typically rubber, with wear-resistant damping and minimal noise. It features both internal and external storage.
