Features Main Purpose The mechanical counter is mainly used to accumulate the number of sports equipment or machines, small, lightweight and easy to carry. Train counting: connect the countershaft, tighten the mechanical arm to the instrument or machine for train counting, with stable performance and strong practicality. Rotatable Rewind:There is a button on the side of the counter, which can be rotated to zero, easy to use, 100% new and high quality, reliable and safe. High Performance The mechanical counter has a large amount of calculation, high precision, and the counting speed can reach 500 times/minute. I believe it can bring comfort to your life. Applicable scenarios: Mainly used in textile, machinery, printing, large stamping, transportation and other industries, with a wide range of functions and obvious effects. Specification: Item Type:Mechanical Counter Model: D94-S. Calculation capacity: 000000-999999. Rotation Ratio: 1:1 Torsion: 8 NGm. Pull Angle (Right Shank, Right Swing): 38-43 Degree Counting speed: 500 times/min. Zero return method: rotation type Package list: 1 x counter, 1 x tension spring. Note: Please pay attention to personal safety when using and operate it correctly. Package List 1 x Counter 1 x Extension Spring