Take steps to improve your lawn. Loosen, aerate compacted turf and soil with these spiked sandals. Let air, moisture and new seed reach down to grass roots to enrich and thicken your lawn. 26 steel spikes, each 1 1/2" long. Work as you walk. Sandals strap onto adult shoes from size 6 to 10. Easy to assemble. Instructions included. Weight:02 lbs.