This is a A-A21.5 Classical V-Belt (1/2" X 23.5") PN: A21.5Main Description As Following : A-A21.5 Classical V-Belt (1/2" X 23.5") P.N: A21.5 1/2 X 23.5 A -Section Polyester CordColor: BlackLength: 23.5Material: Polyester CordThickness: .315Type: A-SectionWidth: 1/2 Replaces: A-4L235 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 : 1/2" x 23.5" A Section Polyester Cord Color: Black Length: 23.5" Material: Polyester Cord Type: A-Section Width: 1/2"