This is a A-A49.5 Classical V-Belt (1/2" X 51.5") PN: A49.5Main Description As Following : A-A49.5 Classical V-Belt (1/2" X 51.5") P.N: A49.5 1/2 X 51.5 A-Section Polyester CordColor: BlackDepth: 5/16"Length: 51.5Material: Polyester CordOC Length: 1/2" X 51.5"Thickness: .315Top Width: 1/2"Type: A-SectionWidth: 1/2 Replaces: A-4L515 IND. 4L SECTION BELT Found in Section & Models : Industrial Belts > A-Section Wrapped Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Color: Black Depth: 5/16" Material: Polyester Cord OC Length: 1/2" X 51.5" Top Width: 1/2" Type: A-Section