Rotary Mower These work with a horizontal rotating blade. Ideal for cutting long grass. Good for cutting coarse tropical grass. Blades are very tough. Easy to maintain. Hover Mower These mowers float on a cushion of air. Light and easy to move around the garden. Suitable for gardens with slopes. Good for cutting finer grasses such as carpet grass. Not so suitable for tough, tropical grass. Cylinder Mower These mowers work with a cutting cylinder. These give you the best & finest cut, but are heavy. You can cut the grass very short without damaging the lawn. Suitable for use on carpet grass, golf greens, etc. These can also cut tropical grass well.