This is a A-788K10 Micro-Rib V-Belt (78.8") PN: 788K10Main Description As Following : A-788K10 Micro-Rib V-Belt (78.8") P.N: 788K10 10 Rib X 78.8 K Micro Rib Polyester CordColor: BlackLength: 78.8Material: Polyester CordMetric Code: 10PK2002Number Of Ribs: 10Outside Length: 79.43"Pitch Length: 78.8"Thickness: 0.18Type: K Micro RibWidth: 10 Rib Crossed From: K100788 GATES , 10PK2001 A & I METRIC BELTS , 4100788 GOODYEAR , 5100788 DAYCO Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 10 Rib X 78.8" K Micro Rib Polyester Cord Color: Black Length: 78.8" Material: Polyester Cord Metric Code: 10PK2002 Number Of Ribs: 10 Outside Length: 79.43" Pitch Length: 78.8" Thickness: 0.18" Type: K Micro Rib Width: 10 Rib