This is a A-533K10 Micro-Rib V-Belt (53.3") PN: 533K10Main Description As Following : A-533K10 Micro-Rib V-Belt (53.3") P.N: 533K10 10 Rib X 53.3 K Micro Rib Polyester CordColor: BlackLength: 53.3Material: Polyester CordMetric Code: 10PK1354Number Of Ribs: 10Outside Length: 53.93"Pitch Length: 53.3"Thickness: 0.18Type: K Micro RibWidth: 10 Rib Crossed From: K100533 GATES , 10PK1351 A & I METRIC BELTS , 10PK1352 A & I METRIC BELTS , 10PK1353 A & I METRIC BELTS , 10PK1354 A & I METRIC BELTS , 10PK1355 A & I METRIC BELTS , 4100533 GOODYEAR , 5100533 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 53.3 K Micro Rib Polyester Cord Color: Black Length: 53.3 Material: Polyester Cord Metric Code: 10PK1354 Number Of Ribs: 10 Outside Length: 53.93" Pitch Length: 53.3" Thickness: 0.18 Type: K Micro Rib Width: 10 Rib