This is a high-quality metal manual mechanical counter, with sturdy structure, metal shell and metal button. Its performance is reliable and its service life 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 rotating the button. Easy and convenient to use. It is lightweight and compact, round in shape, can be held in the palm of your hand to count, and it is easy to carry, just takes up a little space in your pockets or bags. The metal buckle on the top is designed for convenient use. When you hold it, you can hook it on your index finger and press the counting button with your thumb. Very convenient to use in the palm of your hand. It is widely used to count various statistical data, such as the number of people present, traffic flow, number of aircraft, number of laboratory analysis, inventory of goods, sports results, etc.