Keep your lawn maintenance equipment running at peak performance with these premium 54-inch replacement blades. Specifically designed to fit models GX21380, GY20679, GY20684, and GY20686, these heavy-duty blades ensure a clean, precise cut across your lawn. Compatible with three different USA models, these replacement blades are engineered to match the original specifications for optimal performance and durability. The 54-inch cutting width makes quick work of large areas, helping you maintain your property efficiently. Installing fresh blades helps maintain cutting quality and reduces strain on your equipment. These replacement blades are a perfect match for your existing setup, allowing you to restore your mower's cutting performance to like-new condition.