This is a A-B1PD5139 BLADE-MOWER, PRED 2, 21", .63" PN: B1PD5139Main Description As Following : A-B1PD5139 BLADE-MOWER, PRED 2, 21", .63" P.N: B1PD5139 Center Hole: .600"Length: 21"Thickness: .197"Width: 2-1/2"Replaces: AYP/Dixon/Poulan/Husqvarna: 539105714Type: Toothed Crossed From: 539105714 DIXON , 539105714 HUSQVARNA , 539105714 POULAN , 539105714 SEARS / ROPER / AYP Found in Section & Models : Sunbelt - Blades > Blades, AYP MOWER, RIDING: SEVERAL, Husqvarna MOWER, ZERO-TURN: MZ6128ZT 966613101 Associated Items : New Also This is An Aftermarket Product And : Predator mulching blades offer superior mulching capabilities over traditional mulching blades. The
airflow tooth design increases blade strength while producing more airflow for smaller clippings.
Predator blades, like XHT blades are stronger, harder, and last longer over standard lawn mower
blades. (3) blades required for 60" cut Center Hole: .600" Length: 21" Replaces: AYP/Dixon/Poulan/Husqvarna: 539105714 Thickness: .197" Type: Toothed Width: 2-1/2"