XHT (Xtreme Hardness & Toughness) blades feature a unique blend of steel that ensures it's strength and are heat treated with a process that results in making them 25% - 40% harder than standard lawnmower blades. This makes XHT blades the longest lasting, safest, and most impact resistant lawnmower blades on the market.
- (2) blades required for 42" cut.
- Replaces: GX25668
- Fits: S220, S240, X330, X350, X354, X370, Z315E, Z320M, Z320R, Z335E, Z335M, Z345M, Z345R