1.45° Angle Precision FocusSpecialized for accurate 45° miter angle marking, ensuring tight, seamless trim joints without guesswork; eliminates repeated adjustments for professional-grade results every time. 2.Adjustable Reveal MeasurementsFeatures adjustable reveal settings from 1/8" to 1/2" in 1/16" increments, perfectly suited for door/window casements, crown molding, and decorative trim projects. 3.Solo Operation DesignEquipped with positioning pins, tape measure slots, and secure magnets for stable placement; allows single-person completion of trim installation without extra assistance. 4.Multi-Material CompatibilityWorks seamlessly with wood, PU, PVC, and aluminum trim materials; ideal for both professional carpenters and DIY woodworking enthusiasts. 5.Durable & Portable BuildCrafted from high-strength, wear-resistant material that maintains calibration over time; compact size fits easily in toolboxes or belts for on-site convenience.