This Package Includes Four .100" H Columns by Evergreen Scale Models. FEATURES: Use for scratch scale modeling. Opaque white styrene is durable, stable and will not warp. Strips may be cemented using solvent cements. Styrene may be combined with (wood, metal and other plastics). Clean, smooth surface requires no sealing before painting. INCLUDES: Four H Columns REQUIRES: Tweezers Ruler Liquid Solvent Cement Cement Brush X-Acto Knife w/#11 Blade Hobby File SPECS: Size: .100" (2.5mm) 8/16/94sk kr8/23/01 ir/jl