HO-SCALE SINGLE TIMBER FRAM PORTAL k- Realistic detail. High density casting. Assemble with Woodland Scenics Foam Tack Glue (WD1444), Lightweight Hydrocal (WD1201), or Scenic Glue (WD0190). Color with liquid pigments (WD1215-WD1223). Instructions included. Inner Dimensions: 2-5/8" Wide x 3-3/4" High. Outside Dimensions: 4-7/8" Wide x 5-1/4" High