Ariens 936051, 936052, 936060 42″ Lawn Mower 4-Blade Kit Fits Models: 936051 – 960460024-00 – 42″ Hydrotractor 936051 – 960460024-01 – 42″ Hydrotractor 936051 – 960460024-02 – 42″ Hydrotractor 936052 – 960460025-00 – 42″ Hydrotractor 936052 – 960460025-02 – 42″ Hydrotractor 936060 – 960160027-00 – 42″ Gear Tractor 936060 – 960160027-01 – 42″ Gear Tractor 936060 – 960160027-02 – 42″ Gear Tractor 936060 – 960160027-03 – 42″ Gear Tractor Blade Specs: Length: 21″ Width: 2-1/4″ Thickness: .134″ Center Hole: 5-Point Star Replaces Ariens Part Number: 21547233