Set of 2, Both Variable Speed Belts To Replace 754-0280 and 754-0370 (also 954-0280 and 954-0370). Price is for two belts, one to replace 754-0280, one to replace 754-0370. These are made to FSP Specification belts used on many MTD variable drive lawn tractors. Belt to Replace 754-0280 is 5/8" X 53" Belt to Replace 754-0370 is .70" X 48" When replacing one we recommend replacing both. See reason in description.