When evaluating hand mowers (manual reel mowers), focus on the cutting width, typically ranging from 14 to 20 inches, to balance efficiency and maneuverability. Ensure the blade material is heat-treated alloy steel or high-carbon steel for long-lasting sharpness. The number of blades (usually 5 or 6) determines the cut quality; a higher blade count provides a smoother finish for fine grasses. Additionally, verify that the cutting height is adjustable, ideally between 0.5 to 2.5 inches, to accommodate different seasonal grass types.