5 New Assortment of Green Ferris File A Wax Slabs This is a new assortment of 5 green Ferris File-a-wax square slabs. These are made for designing your own jewelry for lost wax casting. These waxes can be sawed, filed or carved to achieve the desired shapes and it can be handled without softening. You receive: 2 Slabs that measure approximately 3/16" x 3 5/5" x 3 5/8" (5 x 92 x 92 mm) 1 Slab that measures approximately 1 7/8" x 3 5/5" x 3 5/8" (22 x 92 x 92 mm) 1 Slab that measures approximately 1 11/16" x 3 5/5" x 3 5/8" (18 x 92 x 92 mm) 1 Slab that measures approximately 1 3/8" x 3 5/5" x 3 5/8" (10 x 92 x 92 mm)