General Tools 881 E-Z Pro Crown King Molding Jig with Protractor 4 EASY STEPS: Perfectly mitered corner joints in four easy steps ELIMINATE TRIAL AND ERROR: Makes accurately cutting crown molding a snap, eliminating trial and error and saving time and money PROFESSIONAL GRADE JOINTS: Cut perfectly mitered interior and exterior corner joints MULTIPLE ANGLES: 45 spring angle crown molding jig with adapter for 52 and 38 angles ELIMINATES: Difficult angle calculations, coping of joints or compound-angle cutting INCLUDES: Comes with an adjustable Angle Finder that easily shows you the exact angle of inside and outside corner NO ASSEMBLY: Simple instructions show you how to get the right cut every time