This is a Sheet of .020 Styrene with a .100" Spaced V-Groove Design from Evergreen Scale Models. For experienced model builders. FEATURES: White styrene sheet is 12" x 6". The sheet has a groove in it every .100". Sheet may be cut and shaped to fit modeling needs - small scale to larger scale. Sturdy and durable. Used for train scratch building or general scratch model building. User friendly, economical, and high quality styrene enhances scratch model building techniques. May be painted and weathered. INCLUDES: One .020 12" x 6" Sheet Styrene with .100" Spaced V-Groove Design. REQUIRES: Selected Model Project for Use Hobby Knife or Razor Blade Solvent For Bonding Sandpaper Paint SPECS: Length: 12" (305mm) Width: 6" (152mm) Thickness: .020" (1mm) COMMENTS: Keep out of reach of small children. sdw 1/22/01 ir/jl