These hardboard bats are cut with a CNC router for dimensional accuracy of both pin holes and circumferences. Each bat fits two .375″ bat pins at 10″ on center with one hole drilled oval to accommodate small variations in pin spacing. When properly cared for these bats offer years of service at a very affordable price. They are slightly absorbent offering good clay adhesion and their nominal .25″ thickness makes them compact for storage. Treated only with a thin spray of linseed oil. 14″ diameter. Two sizes available.