Cheap And Discounts 1PCS HTD3M-243 Arc Tooth Timing Belt, Length 243mm, Closed-loop Belt, Width 9mm 6mm 81Teeth, Pitch 3mm, HTD 3M Synchronous Belt Wholesale. Buy Directly From Merchant Belt Pulley Plant Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.