The Champro 3-Spike pitcher s rubber is ideal for outfitting your diamond and getting it one step closer to gameday ready. It s made with heavy duty 1.75 cm thick UV-resistant rubber to endure the pressure of spiked shoes on the pitcher s mound and prevent deterioration caused by prolonged exposure to sunlight. Installation is quick and easy with the 3 included spikes. Just thread them through the built-in fixtures and secure them into the dirt