This is a A-570K8 Micro-Rib V-Belt (57") PN: 570K8Main Description As Following : A-570K8 Micro-Rib V-Belt (57") P.N: 570K8 8 Rib X 57 K Micro Rib Polyester CordColor: BlackLength: 57Material: Polyester CordMetric Code: 8PK1448Number Of Ribs: 8Outside Length: 57.63"Pitch Length: 57"Thickness: 0.18Type: K Micro RibWidth: 8 Rib Crossed From: GATKO80570 , , GATK080570 , , GATK08570 , , GAT080570 , , K080570 GATES , 25080570 , , 4080570 GOODYEAR , 5080570 DAYCO , 8PK1445 A & I METRIC BELTS , 8PK1446 A & I METRIC BELTS , 8PK1447 A & I METRIC BELTS , 8PK1448 A & I METRIC BELTS , 8PK1449 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 : 8 Rib X 57" K Micro Rib Polyester Cord Color: Black Length: 57" Material: Polyester Cord Metric Code: 8PK1448 Number Of Ribs: 8 Outside Length: 57.63" Pitch Length: 57" Thickness: 0.18" Type: K Micro Rib Width: 8 Rib