This is a A-SPA1157 Metric V-Belt (13 X 1157) PN: SPA1157Main Description As Following : A-SPA1157 Metric V-Belt (13 X 1157) P.N: SPA1157 13mm X 1157mm SPA Metric Polyester CordColor: BlackDepth: 10mmLength: 1157mmMaterial: Polyester CordPitch Length: 13 X 1157Thickness: 10Type: SPA MetricWidth: 13mm Found in Section & Models : Industrial Belts > SPA-Section Metric Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Color: Black Depth: 10mm Material: Polyester Cord Pitch Length: 13 X 1157 Type: SPA Metric