Blade Width – 3.00. Thickness – 0.203. Blade Length – 17. Center Hole Size – 3/4. Air Lift – 1-5/16. The OregonĀ® 92-139 lawn mower blade is created to provide consistency and longevity, while delivering a cleaner cut and quality results. Enhanced mulching for bagging and discharge efficiency. Stays sharp and Standard for longer. Replacement for major brand: Craftsman. Requires 3 blades for 48 cut. Fits the Following Models. 17ASDALB099 (Z8200), 17BSDALB099 (Z8200), Tank LZ, Tank SZ, Z-Force, Z-Force S. Replaces the Following Blades. Listing and template services provided by inkFrog.