Evergreen Scale Models 4030 Styrene V-Groove .040 x 6 x 12,.030"

Evergreen Scale Models is the world's largest producer of polystyrene plastic shapes, strips, and sheet materials in metric and inch sizes.

040" (1.0mm) thick X .030"( .75mm) groove spacing X ..010" (.25mm) groove width. Groove spacing is center to center of grooves.