The Hydro-Bat is made of Hydro-Stone, a gypsum cement nearly ten times stronger than conventional pottery plaster. They Hydro-Bat eliminates the need for wiring off your work by absorbing moisture out of the bottom of your thrown form. Hard rubber grommets cast into the underneath side of the bat will not swell or change shape.
These bats are designed to fit snuggly on the standard bat which is 3/8” wide. The hydro-bats fit on wheel heads with pins spaced 10” apart.