This is a manual, high-quality mechanical metal counter, featuring a robust structure, a metal shell, and a metal button. Its performance is reliable, and its lifespan is long. It can accurately count up to 9999 by clicking the silver button. The numbers are easy to read and easy to reset by turning the knob. Simple and practical to use. It is lightweight and compact, round, can be held in the palm of your hand for counting, and it is easy to transport, taking up only a little space in your pockets or bags. The metal loop on the top is designed for practical use. When holding it, you can hang it on your index finger and press the counting button with your thumb. Very practical to use in the palm of your hand. It is widely used for counting various statistical data, such as the number of people present, traffic flow, aircraft numbers, number analysis in the laboratory, inventory of goods, sports scores, etc.