Ego offers this self-propelled lawn mower that has a minimum cutting height of 25 mm, great if you prefer a shorter lawn.
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EGO Power + LM2021E-SP 50cm Self-Propelled Cordless Mower c/w Battery & Charger
More Than Mowers
EGO Power+ LM2021E-SP 50cm Self-Propelled Cordless Mower