This is a A-A57 Classical V-Belt (1/2" X 59") PN: A57Main Description As Following : A-A57 Classical V-Belt (1/2" X 59") P.N: A57 1/2 X 59 A-Section Polyester CordColor: BlackLength: 59Material: Polyester CordThickness: .315Type: A-SectionWidth: 1/2 Crosses To: AF1751 ATLAS , A-AF1751J ATLAS , A-B1A57 JASON , Replaces: A-K9515 MACDON , A-4L590 IND. 4L SECTION BELT , A-7855216 HESSTON , Crossed From: AP57 DAYCO , A57DC DEALERS CHOICE , CE00564 GRAIN SYSTEMS INC. , GATA57 , , 007-0045 POWERMATE , 0070045 POWERMATE , 1197878 ALLIS-CHALMERS , 1336307 ALLIS-CHALMERS , 17936 BRAMEC CORP , 22598 , , 248-5059 NHC DISTRIBUTORS , 382973 BOSTWICK-BRAUN , 399-A57 , , 399A57 , Found in Section & Models : Industrial Belts > A-Section Wrapped Belt, (Miscellaneous) (UNDEFINED): SEVERAL, Sunbelt - Belts > Black Belts, (Miscellaneous) (UNDEFINED): SEVERAL Associated Items : New Also This is An Aftermarket Product And : High Quality Afternaket Shipped from Both US and Canada