Ground spike Aerators in stock now! AR8 - 8ft - $10,000.00 +GST AR10 - 10ft - $12,900.00 +GST Heavy duty frame with parking stands Weight carrying rack to allow for a deeper slit Fitted with a towing eye for a chain harrow Heavy duty 3-point linkage frame Blades fitted in a spiral effect for smooth, effective aeration Unique blade locking system- replaceable, chamfered, boron steel blades fitted in a positive locking socket, resulting in less stress on the bolts, helping to keep the blades tight Blades measure 250mm x 10mm Heavy duty 45mm bearings Protective skids around the bearings