The Rawlings spiked pitching rubber is designed to help rehelps players maintain their footiduce maintenance and upkeep of your pitcher's mound. The spiked pitching rubber is made from an heavy duty rubber and features 3 metal spikes to easily secure in the ground. As a result, it's easy to move around so you can place wherever you need a pitching rubber. This spiked pitching rubber is available in both official 24" and youth 18" sizes - get yours today!