Set of five very strong metal hoops with spikes. Garden roller spikes are made of high-quality powder-coated steel. The spikes are perfect for tilling (aerating) the lawn. The advantage of the product is easy assembly with one screw. For lawn ventilation by aerating. Mounted on roller GR9202. 5 pcs. set. Parameters: - head width: 31 cm - weight: 710 g - blade 6 mm - blade height 6 cm - number of spikes: 12 units - Set of 5 pieces - diameter fi about (adjustable) - 30 cm, if necessary, can be slightly increased using longer 3.5 cm long threaded screws (not included), which can be purchased at any hardware store.