Durable, easy to use. Suitable for small surf electric scooters etc. Replacement drive belt HTD 384-3M-12. Durable, easy to use. Specification: Number of teeth: 128 Belt length : 384 mm (approx. 15.1 inches) Peak distance between two adjacent belt teeth: 3 mm (approx. 0.11 inches) Belt width: 12 mm (approx. 0.47 inches) Material : plastic Black color How to choose drive belt 1. Check the numbers and letters on the old belt. 2. If you can't find the numbers and letters printed on the belt:< br/> a) Measure the length of the belt loop. b) Measure the distance from peak to peak of two adjacent belt teeth. c) Measure the width of the belt. Package: 3 x drive belt Only the above package contents, other products are not included. Note! Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The permissible measurement error is +/- 1-3 cm.