Adjustable Square Slump Mold

With this adjustable square mould, you can make different sizes of square and rectangle plates with just one mould. Maximum size is 17" (43.2 cm) x 17" (43.2 cm) x 1.75" (4.5 cm). Two lip lengths are available, 1.25" (3.2 cm) and 2.25" (5.7 cm).