The E-Z fastpitch circle template is the quickest and most accurate device ever created to mark a fastpitch softball pitcher's circle. Engineered to be mistake-proof and easy to use, the E-Z fastpitch circle template marks the circle at exactly 16' every time in seconds. This field marking tool is a time and laborsaving device that pays for itself quickly. The secret is the specially designed pitching rubber mount that secures the non-stretch aircraft cable at the exact center of the pitching rubber. This circle template tool includes a marking rod to scribe the circle onto the field, once you are finished, simply use your existing marker to chalk to the circle.