1pc Rolling Wheel 5 Digits 0-9999.9 Length Counter Max Speed 350RPM Grey Reset A counter used for measuring length and mechanical drives, usually for record of of weaving, plastic film, leather, etc. 5 digits counter is easy to read. Count range is 0-9999.9 Easy to operate, and count accurately, is practical counter tool. The wheels on the counter has , anti-skip. The reset key is more fit for daily habit, more convenient to use. Count range: 0-9999.9 Transmission ratio: 1/3 Maximum speed: 350RPM Clearing mode: type Weight: 592g Quantity: 1pc Note: Please note that the type and old type of this product be sent randomly, and make sure you not mind before ordering. Color: As Shown Material: Metal Package Contents: 1 * Length counter set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.