Hi-Craft HC178 Hi-Craft HC178 Gunite Spiked Shoes, Black Steel spikes release air bubbles from epoxy and gunite overlays, while protecting these materials from footprints Strong 1-1/2 inch steel spikes positioned to distribute weight across shoe Back stop of shoe prevents work boots from moving around on the shoe Plastic clasps on adjustable nylon straps provide a comfortable fit to secure the spiked shoe to boot Sold in pairs