Husqvarna 532152443 Mulching Blade for 46-Inch Deck For Husqvarna/Poulan/Roper/Craftsman/Weed Eater Length: 15-1/2-inch, 5/8 star center hole Current part number 532152443 replaces previous part numbers 145708, 163819, 532145708, 152443, 145708MS, 152443MS, 152443P, and 9170. Replacement part for many brands including Husqvarna, Poulan, Poulan Pro, Roper, Sears/Craftsman, and Weed Eater Original equipment manufacturer replacement part 1-year warranty for defects in material or workmanship. Kindly refer the application guide for compatible models.