The Woodland Scenics Tunnel Liner Form is a reusable mold designed for creating tunnel liner sections for model railroad layouts. Plaster or similar casting material is pressed into the form and peeled away once set, producing textured tunnel interior pieces. The resulting cast sections can be assembled to build realistic tunnel linings that blend with surrounding scenery. Features: Reusable casting mold Produces textured tunnel liner sections Compatible with plaster casting materials For use in model railroad scenery construction 7/7/26 cs