WHY YOU NEED THIS LAWN SPIKE AERATOR -- grass roots need air, water and nutrients to grow thick, deep and strong. When soil becomes compacted, even slightly, it inhibit the flow of the essentials that support thicker, healthier turf growth. Aeration creates holes down into the soil to alleviate compaction so air, water and nutrients can reach grass roots. GETTING YOUR LAWN GREENER AND HEALTHIER -- this gardening lawn aerator has 4 longer sharp spikes, 9cm in length, Let Your Aeration Work Much Easier. Spike lawn aerator has less impact on the health of your lawn. Grass spike aeration is ideal for lawns that are not badly compacted. WIDE FOOT PLATE -- the wide foot plate of this lawn spike aerator maximize downward force & keep your body balance for safety. Cushioned T-handles provide additional grip, non-slip and comfortable enough for long time aerating. QUALITY STEEL CONSTRUCTION -- the Colwelt lawn aerator tool was built to last with a durable steel construction. The powder coated steel is heavy-duty and rust-resistant. Our 96cm manual aerator lets you tend to your lawn without back strain. EASY TO ASSEMBLE -- ship disassembled, assemble easily, come with assembly instruction, wrenches, and all fixings needed to make the assembly easy. Customer satisfaction is always our pursuit, and we are keeping on working on this. Whatever problem you meet, you can contact us directly, we will help you solve it.