One pack of replacement spikes contain 32 sharp spikes. While you Shoe-In Spikes are extremely durable, we all know that spikes wear and need to be replaced for the best performance on your floor coatings. We offer two types of spikes: Sharp spikes for coatings like epoxy, urethanes, and polyaspartics. We also offer the dull spikes application and finishing of high-build, cementitious, and decorative concrete toppings.