Simple and effective lawn aerator: Our lawn aerator shoe nails are designed with 26 sturdy metal spikes of 30mm and 2.2 inches in length, the lawn shoes are easy and quick to drive into the ground deep, helping the grass absorb water, nutrients and air from the deep roots to make your lawn greener and healthier. Durable spiked sandals: the lawn cleat shoes are made with.With 4 upgraded versions of durable zinc alloy metal buckles and 1 spandex band, the base is made of polypropylene and HDPE to ensure that you are safer when using. One size fits all: our sturdy spiked sandal shoes have 4 adjustable straps and 1 elastic band, and alloy mental buckles, simply adjust the length of the straps through the mental buckles to have a good, secure fit whether your feet are big or small, these shoes will fit like a glove. Shoes for aerating the lawn A lush green lawn needs adequate air and water penetration to allow Essential nutrients penetrate the soil and strengthen grass roots. Lawn scarifier shoes help break up dense soil to promote air circulation and water absorption. water, resulting in a stronger, healthier lawn. Simple to assemble Comes with tools, easy to assemble Downboard size shoes: 30X13CM Hardware details: 4g shoelaces + 2 triangle belts, 1 pack of screws (26 nails + 27 nuts + 1 wrench), 2 shoe boards luckymeet