The RYOBI 13 in. Replacement Blade is the best solution for replacing your Electric or 18-Volt Mower's damaged or dull blade. This blade is optimized for corded and cordless, improving its cutting efficiency and increasing its runtime. Buy with confidence knowing that this OEM part will work with you RYOBI 13 in. Corded and 18-Volt Mower. Replacement Part for RYAC130 and P1140-S.