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. GENERAL TOOLS: We have been a recognized leader in the innovation, design, and development of specialized precision tools for many years. We encourage craftspeople, artisans, and DIYers to work smarter, measure better, and increase productivity. E-Z Pro Crown King Molding Jig with Protractor can produce perfectly mitered interior and exterior crown molding joints. Eliminates difficult angle calculations, coping of joints or compound-angle cutting. 45 Deg. spring angle crown molding jig with adapter for 52 Deg. and 38 Deg. angles. Eliminates difficult angle calculations, coping of joints or compound-angle cutting. Includes adjustable Angle Finder that easily shows the exact angle of inside and outside corner. Instructions included.