Lawn Mower Blade: Poulan/ Poulan Pro Blade: item # 532-850973 Medium lift blade with 22’’ cut walk behind, long lasting blade with a smooth cut. High quality balanced blades. Replaces: Poulan: 532-850073 Poulan Pro: 532-850973 LENGTH: 21-5/8" C. H. DIA: 5/8" CENTER TO CENTER (OUTSIDE HOLES): 1-7/8" CUT DIRECTION: RIGHT – clockwise DIAMETER OF OUTSIDE HOLES: 3/8" Width 2-1/2’’ Thickness- 150’’