1、The lawn aerator shoes adopt quality galvanized and PP material, good toughness and durable. 2、Solid iron spike creates small hole in the complicated soil to allow air and water to penetrate grass or lawn thatch. 3、Easy to wear with straps and adjustable buckles, firm, not easy to loose and fall off. 4、Helping the lawn to breath and absorb necessary nutrients. 5、A very useful tool to keep your lawn aerated, suitable for grass, lawn, garden, patio, etc. Features: The lawn aerator shoes adopt quality galvanized and PP material, good toughness and durable. Solid iron spike creates small hole in the complicated soil to allow air and water to penetrate grass or lawn thatch. Easy to wear with straps and adjustable buckles, firm, not easy to loose and fall off. Helping the lawn to breath and absorb necessary nutrients. A very useful tool to keep your lawn aerated, suitable for grass, lawn, garden, patio, etc. Specification: Condition: 100% Brand New Material: PP+Galvanized iron Color: Black Shoe Size: Approx. 29.9*13cm / 11.77*5.12in Package List: 2 * Lawn aerated shoes 6 * Straps 1 Pack of screw + wrench Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, and item color displayed in photos may