This is a A-525K6 Micro-Rib V-Belt (52.5") PN: 525K6Main Description As Following : A-525K6 Micro-Rib V-Belt (52.5") P.N: 525K6 6 Rib X 52.5 K Micro Rib Polyester CordColor: BlackLength: 52.5Material: Polyester CordMetric Code: 6PK1334Number Of Ribs: 6Outside Length: 53.13"Pitch Length: 52.5"Thickness: 0.18Type: K Micro RibWidth: 6 Rib Crossed From: GATK060523 , , GATK060525 , , GAT060525 , , K060523 GATES , K060525 GATES , 25060523 , , 25060525 , , 4060523 GOODYEAR , 4060525 GOODYEAR , 5060523 DAYCO , 5060525 DAYCO , 6PK1333 A & I METRIC BELTS , 6PK1334 A & I METRIC BELTS , 6PK1335 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 52.5" K Micro Rib Polyester Cord Color: Black Length: 52.5" Material: Polyester Cord Metric Code: 6PK1334 Number Of Ribs: 6 Outside Length: 53.13" Pitch Length: 52.5" Thickness: 0.18" Type: K Micro Rib Width: 6 Rib