1. Part number: 1314L=MB340 2. Part name: 13 1/4 inch motor lug belt 3. Quantity: 2PCS 4. Color: Random 5. The circumference of this belt will measure a little less then 13 1/4 inches out of the package. They do stretch a little after they are installed. 6. Technical supports 1) In case you are not sure if these parts are compatible with your machine, please feel free to send us a message via Amazon ,our technicians will provide you with professional and accurate advice in 24/7. 2) Do not hesitate to contact us if you run into any issue using the received parts. 3) Please provide us with your machine brand and complete model for technical supports.