Replaces OEM: Hus qvarna 539100341, 539101485; Sc ag A48108, A48185, 48108, 481707, 481711, 48185, 482462, 482878, 482961, 483317, PL4206; Ari ens 00273100, 03253800, 03399704, 00450300, 04916400, 04917900; Ex mark 103-1578, 103-1578-S, 103-2508, 103-2518, 103-2518-S, 103-2528, 103283 103-6582-S, 1-303146, 1-303527, 1-633482, 1-633484 Replaces OEM: Ba d Boy 038-3000-00; To ro 105-7779-03, 105-7781; Fe rris 1521227, 1521227S, 5021227, A48185; Gra vely 00450300, 03253800, 04916400; Lesco 050621; Bob cat 112111-02, 12111-02, 32022A, 32022HD, WM132022; Bun ton 6294, P2005, PL4206; Sim plicity A4815, A4815SM; Jo hn Dee re AM104490, PT8721 Compatible with: Gra vely Pro-Master 152Z, Pro Master 152i, Pro Master 252H, Pro-Stance 52, Pro-Turn 152, Pro Turn 252; Hus qvarna IZ5221, IZ5223, IZ5224, IZ5225, IZC5221, IZC5223, LZ5225, LZ5227, LZF5227, WH5217, WH5219, WHF5218, WHF5219, WHF5223, ZTH5221, ZTH5223, ZTH5225; To ro Z Master; Wright 52-Inch Decks for Stander Mowers Compatible with: Ari ens PM252H, Zoom 2252, Zoom 2352, Zoom 2452, Zoom 2552, Max Zoom 2552, Max Zoom 52; Hus qvarna IZ5221, IZ5223, IZ5224, IZ5225, IZC5221, IZC5223, LZ5225, LZ5227, LZF5227, WH5217, WH5217, WH5219, WHF5218, WHF5219, WHF5223, ZTH5221, ZTH5223, ZTH5225 for 52" Decks; Ex mark Explorer, Lazer Z, Metro, Metro HP, Turf Ranger Turf Tracer, Viking with 52-Inch Decks Preferred quality: Each blade factory before the strict quality inspection, if you have a problem in the course of use within a year, you can contact us to help you solve 00273100 482878 Fit for Ariens 52 inch Mower Blades Gravely Hus qvarna Zoom 52 Lazer Z Turf Ranger Z5221 Decks Mower Replaces Ex Mark 1-633482 Scag 481707 48108 481711 539100341 Mulching Blade(6 pack)