270, ki endike longè pous la, konvèti nan longè metrik se 2702.54=685.8mm;
- H, is the model of the timing belt, indicating that the pitch is 12.7mm (the example of the opening of teeth and teeth is called "pitch");
- 100 vle di lajè pous la, konvèti nan lajè metrik se 1000.254=25.4mm;





