MaxPower's 331714S includes 1 mulching blade for a 42" cut Poulan, Husqvarna, and Craftsman rider. 2 blades are required for a 42" cut deck. This blade replaces Poulan/Craftsman 134149 and 532134149; Husqvarna 532 13 41-49. Blade measures 21" long by 2-1/4" wide with a 5 point star center hole. Fits Craftsman models HALT150E, LT150, LZ135107H, PB195H42LT, P145107HP; Husqvarna models LTH1342, LTH1342A, YTH1542XP, YTH1542XPG; Poulan models HDK19H42, HD17542, HD1842, PB1842LY, PB20H42LT, PB20H42YT, PD17542LT, PD22H42STA, PK1942LT, PO15542LT, PO17542LT, PP165H42A, PRK17H42STB, PR185H42STB, PR185H42STE, PR18542STA. MaxPower blades are proudly manufactured in the USA to meet or exceed OEM specifications.