INTERNATIONAL & USA CUSTOMERS. MANUFACTURES P/N: DID520ERT 520 X 120 LENGTH. High performance, light weight and low friction chain provides the winning edge. 3% bigger pin diameter and 5% lighter than former ERT. Provides the highest wear resistance, tensile strength and impact resistance. WE DO SINCERELY CARE ABOUT YOUR BUSINESS, YOU ARE A PART OF OUR GROWTH AND CUTOMER BASE FOR THE FUTURE. THIS IS PART OF OUR ON GOING CUSTOMER COMMITMENT TO ENSURE YOUR HIGHEST SATISFACTION. WE WANT TO FULFILL YOUR ORDER BUT THERE ARE TIMES WHEN WE DO INSPECT THAT WE WILL FIND SOMETHING THAT WE WOULD NOT DEEM ACCEPTABLE. WE DO THIS TO ENSURE THE HIGHEST POSSIBLE FAITH IN THE CUSTOMER THAT THEY ARE RECEIVING PRODUCT THEY KNOW HAS BEEN VERIFIED TO BE THE CORRECT PART BEING ORDERED THAT IS IN THE SEALED BAG IF WE CANNOT SEE THRU IT. WE WILL RESPOND ASAP, WE TAKE YOUR BUSINESS VERY SERIOUSLY AND APPRECIATE YOU SHOPPING WITH US. PLEASE REQUEST AN INVOICE BEFORE PAYING! ITEMS VIA THE US POSTAL SERVICE INTERNATIONALLY. IF YOU HAVE ANY QUESTIONS FEEL FREE TO MESSAGE US OR CALL. CLOTHING MUS NOT BE IN WORN CONDITION, TAGS MUST BE ATTACHED AS RECEIVED, NO PET HAIR, OR DIRTY CLOTHING FROM LAYING ON THE FLOOR WILL BE ACCEPTED. WE ARE NOT OPEN DURING THE WEEKEND BUT WE DO MONITOR MESSAGES TO ENUSRE WE ANSWER ANY CUSTOMER QUESTIONS OR CONCERNS.