This is the Canopy for the Great Planes Revolver, (GPMA1018). FEATURES: Pre-painted canopy Tinted Plywood construction INCLUDES: One canopy (key #3) REQUIRES: Installation on aircraft SPECS: Length: 18" (457.2mm) Width: 5.5" (139.7mm) Height: 4.5" (114.3mm) tlw 8/13/07 ir/jxs