This is a A-640K6 Micro-Rib V-Belt (64") PN: 640K6Main Description As Following : A-640K6 Micro-Rib V-Belt (64") P.N: 640K6 6 Rib X 64 K Micro Rib Polyester CordColor: BlackLength: 64Material: Polyester CordMetric Code: 6PK1626Number Of Ribs: 6Outside Length: 64.63"Pitch Length: 64"Thickness: 0.18Type: K Micro RibWidth: 6 Rib Crossed From: GATKO60640 , , GATK060640 , , GAT060640 , , HY2036497 SYSTEMS MATERIAL HANDLING , K060640 GATES , 25060640 , , 4060640 GOODYEAR , 5060640 DAYCO , 6PK1623 A & I METRIC BELTS , 6PK1624 A & I METRIC BELTS , 6PK1625 A & I METRIC BELTS , 6PK1626 A & I METRIC BELTS , 6PK1627 A & I METRIC BELTS Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 6 Rib x 64" K Micro Rib Polyester Cord Color: Black Length: 64" Material: Polyester Cord Metric Code: 6PK1626 Number Of Ribs: 6 Outside Length: 64.63" Pitch Length: 64" Thickness: 0.18" Type: K Micro Rib Width: 6 Rib