Features:Widely used for counting the length of textile, printing, artificial leather and more.Turnning 3 circles in 1meter length, can not counting in reverse,restart counting after zero reset.It is equipped with 2 wheels for stability and accuracy of measurement. Specifications:Product Name : Length CounterModel : Z96-FMaterial : Metal, Plastic;Count Range : 0-9999.9 MetersCount Speed : 200 times/minCounter Size (Approx.) : 8.2 x 5 x 4.7cm / 3.2" x 2" x 1.9" (L * W * T)Wheel Size (Approx.) : 9.8 x 1.8cm / 3.9" x 0.7" ( D * T );Color : Black, Gray Note:Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank youPackage Content :1 x Counter 2 x Wheels