This is a A-B1KU1043 Blade-Mower, XHT, 21-1/2", .712", HL PN: B1KU1043Main Description As Following : A-B1KU1043 Blade-Mower, XHT, 21.5" P.N: B1KU1043 Center Hole: .712"Length: 21-1/2"Replaces: K5559-34330Thickness: .25"Type: High LiftWidth: 2.5" Crossed From: K5559-34330 KUBOTA , K555934330 KUBOTA Found in Section & Models : Sunbelt - Blades > Blades, Kubota MOWER DECK: RCK42P-122Z, Kubota MOWER, ZERO-TURN: Z122R (with 42" deck) Associated Items : New Also This is An Aftermarket Product And : XHT (Xtreme Hardness & Toughness) blades feature a unique blend of steel that ensures its strength
and are heat treated with a process that results in making them 25% - 40% harder than standard lawn
mower blades. This makes XHT lawn mower blades the longest lasting, safest, and most impact
resistant lawn mower blades on the market. (2) blades required for 42" cut Center Hole: .712" Length: 21-1/2" Replaces: K5559-34330 Thickness: .250" Type: High Lift Width: 2-1/2"