Our Brabantia Soil Spears are perfect for securing your choice of rotary airer. They come in 3 sizes to suit all popular rotary airers, 35mm, 45mm & 50mm diameter, just choose the diameter soil spear for your rotary dryer. Durable robust metal soil spears made from galvanised steel plate for easy anchoring into the garden. Corrosion resistant. The ground spike is fitted with a closure cap & has no protruding parts ? easy when mowing your lawn & safer for children. Available in 35mm, 45mm or 50mm ? choose the one based on the thickness of the main aluminium shaft of your dryer.