3 Sets of 2 Hi Lift Blades 42" Deck Cut Husqvarna AYP Poulan Mowers 532138971 Fits Models: Husqvarna: 2042LS, LT16542, LT140, LT152, LT18542, LT1942, LTH1342, LTH1542, LTH, 1742, LTH18542, LTH152, LTH174, LTH1842, LTH2042, LTH2142, TS142, TS242, TS243, YT16542, YT1942, YT42CS, YT42LS, YTA18542, YTA19K42, YTH130, YTH1342, YTH1542XP, YTH1542, XPT, YTH, 1842, YTH18542, YTH2042, YTH2242, YTH180, YTH184T Fits Models: Poulan: PB145G42, PB15542LT, PB155G42, PB17542LT, PB175A42LT, PB175A46, PB175G42, PB185A42, PB19542LT, PB195A46LT, PB195H42LT, PB20A42LT, PB20A46LT, PB20H42LT, PB20H42YT, PB22H42YT, PO14542LT, PO15542LT, PO17542LT, PO175A42LT, PO19542LT, PP155G42,PP155H42, PP175G42, PP185A42, PP19A42, PXT12538, PXT155G42, PXT175G42, W17542H, WET1742STA, WET17H42STA, WET2242STB, WET2242STC, WET2242STD, XT195H42LT Replaces OEM Part Numbers: Ariens: 21546095, AYP: 127843, 134149, 138498, 138971, 138971X431, 531307224, 532134149, 532138971, 917127843, 917131323, 917138498MS, 917532138498 Replaces OEM Part Numbers: Craftsman: 127843, 138498, 138971, Husqvarna: 532127843, 532138498, 532138971, McCulloch: 532 13 89-71, Poulan: 531307224, 532138971, PP24004, Viking: 6109-004-2012 Blade Specs: Length: 21", Center Hole: 5 pt. star, Width: 2 1/4", Thickness: .149"