Durable aluminum alloy construction provides longlasting performance for frequent use. Wearresistant markings and a semicircular ARC design improve readability and ease of use at every project stage. Multiangle cutting guide delivers precise 3D positioning, making it suitable for mortise and tenon joints and for accurate curves as well as straight lines. Easy to use doublehand mechanism supports 0180 degrees, enabling onehanded adjustments, reducing calibration steps, and ensuring fast locking precision. Advanced measuring solution allows simultaneous marking of straight and curved outlines; antislip scales ensure steady handling, while hollow holes provide adaptable measurement options. Use scenarios Woodworking and carpentry: layout and mark mortise and tenon joints with accuracy, plus shape curves and straight cuts for furniture and cabinets. Cabinet making and interior trim: perform quick, precise angle cuts and intricate curved layouts for doors, frames, and edging. DIY projects and metalworking: create templates and patterns on panels, sheets, or profiles, marking both straight lines and curved contours efficiently.