Features: Engineered with rust resistant steel spiked and adjustable lacing, these aeration shoes efficiently penetrate soil to enhancing water/nutrient absorption while providing secure foot for gardening. Support houses replaceable steel spiked, featuring quick clip straps for easy installation across multiple season of soil cultivation. Ideal for home gardeners, landscaping professionals, and turf managers seeking ergonomic alternatives to manual aerators or heavy machinery for routine grass maintenance. Optimize soil structure in residential yards, golf course greens, athletic fields, and gardens – particularly effective on compacted clay soils, thatched lawns, and pre seeding preparation areas. Achieve professional grass aeration through natural walking motion; before traversing damp grass for spiked penetration depth and rootzone oxygenation. Specifications: Size:Approx.13x30cm/5.12x11.81inch Package Includes: 1 Pair Garden Grass spiked Shoes note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.