This is a A-B133/12 Classical Banded V-Belt (5/8" X 136") PN: B133/12Main Description As Following : A-B133/12 Classical Banded V-Belt (5/8" X 136") PN: B133/12 Found in Section & Models : Industrial Belts > B-Section Banded Belt, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : Color: Black Depth W/O Band: 13/32" Material: Polyester Cord OC Length: 5/8" X 136" Type: B Section Banded