13977 WORLDLAWN BLADE 20-1/2"X2-1/2 REPL WORLD13977 Worldlawn Rotary Mower Blade, 20 1 2" 2 1 2" (Replacement Blade) The Worldlawn 13977 is a high quality replacement rotary mower blade, engineered to deliver reliable cutting performance on compatible Worldlawn commercial and residential lawn mowers. With a 20 1 2 inch length and 2 1 2 inch width, this blade is designed to provide clean, consistent cuts while maintaining proper airflow and balance across the mower deck. Manufactured from heat