This is a A-565K8 Micro-Rib V-Belt (56.5") PN: 565K8Main Description As Following : A-565K8 Micro-Rib V-Belt (56.5") PN: 565K8 Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 8 Rib X 56.5 K Micro Rib Polyester Cord Color: Black Length: 56.5 Material: Polyester Cord Metric Code: 8PK1435 Number Of Ribs: 8 Outside Length: 57.13" Pitch Length: 56.5" Thickness: 0.18 Type: K Micro Rib Width: 8 Rib