This is a A-A51/02 Classical Banded V-Belt (1/2" X 53") PN: A51/02Main Description As Following : A-A51/02 Classical Banded V-Belt (1/2" X 53") P.N: A51/02 1/2 X 53 A Section Banded Polyester CordColor: BlackDepth W/O Band: 5/16"Length: 53Material: Polyester CordOC Length: 1/2" X 53"Thickness: .315Type: A Section BandedWidth: 1/2 Found in Section & Models : Industrial Belts > A-Section Banded Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Color: Black Depth W/O Band: 5/16" Material: Polyester Cord OC Length: 1/2" X 53" Type: A Section Banded