Moundmaster Blocks

Build Your Mound and Plate Right

No two areas of the diamond receive more abuse and constant wear than the pitcher’s mound and the batter’s and catcher’s boxes. Make sure they are built and maintained properly with the best, virgin clay blocks in the industry.

100% pure virgin clay blocks deliver long-lasting performance
Blocks are sized perfectly for building boxes and the mound from the ground up
Packaged as 8 block sets in water tight bags to retain proper moisture
Pliable construction makes it easy to mold into just the right form
Blocks are 2 ½” x 4″ x 8″