1、The main shaft has an anti‑slip slot to prevent the wheels from slipping while rotating. 2、When the record length is 1 metre (or 1 yard), the wheel rotates three times, and the counter number pluses The decimal doesn't support count backwards. 3、5‑digit display enables a wide counting range from 0 to 99999, meeting all your recording needs. 4、When recording a certain number, you can press the handle and all the numbers are reset to 0, and then start the second stage of counting. 5、Allows for wide application in calculating the length of textiles, printing, artificial leather, etc. 1 x Mechanical Length Meter2 x Roller Item Type: Mechanical Length MeterProduct Material: Stainless Steel + RubberCounting Range: 0-99999Rotation Ratio: 1:3Maximum Counting Speed: 200 times/min.Working Environment Temperature: -20℃~+50℃. Application: Widely used to calculate the length of textiles, printing, artificial leather, etc.