Rubber HTD 3M Open ended Timing Belt W=15mm 3M Belt pulley Engraving Machine CNCHTD 3M Open ended timing belt 3M-15 width 15 mm Rubber with Fiberglass Pitch : 3 mm = 0.12 inch· Width: 15 mm = 0.59 inch· Length :1 m = 0.39 inch Material : Fiberglass Rubber· Length : 1 pcs equal to 1 m (3.28 foot), the roll is 200 m but you can purchase any number of meter that you need. example: if you need 10 meter, you will recieve a 10 meter roll