This is a A-660K12 Micro-Rib V-Belt (66") PN: 660K12Main Description As Following : A-660K12 Micro-Rib V-Belt (66") P.N: 660K12 12 Rib X 66 K Micro Rib Polyester CordColor: BlackLength: 66Material: Polyester CordMetric Code: 12PK1676Number Of Ribs: 12Outside Length: 66.63"Pitch Length: 66"Thickness: 0.18Type: K Micro RibWidth: 12 Rib Crossed From: K120660 GATES , 12PK1676 A & I METRIC BELTS , 4120660 GOODYEAR , 5120660 DAYCO Found in Section & Models : Industrial Belts > K-Poly Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : 12 Rib X 66" K Micro Rib Polyester Cord Color: Black Length: 66" Material: Polyester Cord Metric Code: 12PK1676 Number Of Ribs: 12 Outside Length: 66.63" Pitch Length: 66" Thickness: 0.18" Type: K Micro Rib Width: 12 Rib