18/21 Inch Manual Lawn Aerator with Detachable Handle Filled with Sand or Stone-18 inchesThere is no more back pain with 51" 130 cm reasonable height Non slip and comfortable handle will reduce pain in hands 27 33 galvanized steel spikes are rustproof and not easy to deform 1. 3" 3. 4 cm spikes can effectively loosen soil and promote the plant grow With 5. 5 6. 8L capacity to fill sand or stone the spikes can penetrate into soil easily Solid metal construction with painted surface ensures the resistance to rust Suitable for different