6 1/4 inches long with outer two grooves 1/2 inch wide, the next inner grooves 3/8 inches wide and the inner most three grooves being 1/4 inch across.
Tray - 9 3/4 inches long and 5 1/4 inches wide (largest dimensions)
Square Drop vase/bowl mold - outside to outside 7 1/2 inches (square with rounded corners) with a 5 Inch hole inside