4+3 Dual-Action Manual Lawn Aerator – Core & Spike Combo 4 hollow tines extract soil cores. 3 spike tines loosen compacted ground. More air, water, and nutrients to grass roots. Heavy-Duty Alloy Steel Rust-resistant. Powder-coated. Precision welded. Built to last. Mess-Free + Bonus Accessories Built-in tray catches soil plugs. Includes cleaning stick and gloves. Comfortable Design Anti-slip foot pedal. Cushioned handles. 37-41 inch length reduces back strain. Healthier Lawn Reduces thatch. Boosts oxygen, water, and fertilizer penetration. Water before use for best results. Ready for a greener lawn? Add to cart now.