Precision 45-degree cuts with exact joint alignment - Optimized joint technique provides reliable 45-degree angle cuts for door and window frame connections, ensuring precise fits. Durable cutting guide for lasting accuracy - Wear-resistant structure and deformation-resistant material, combined with a reinforced insulating plate, deliver long-lasting precision across repeated cuts and high durability. Integrated calibration marks for consistent results - Fast positioning system and stable clamp design prevent movement during cutting, while calibration marks enhance safety and accuracy for repeatable results. Versatile tool for multiple materials and tools - Essential for window installation and capable of cutting wood, PVC, and aluminum with ease. Suitable for both hand and power tools, supporting a range of renovation projects with high compatibility and efficiency. Use scenarios - Window frame installation: achieve precise 45-degree joints for clean, professional fits. - Door frame or trim work: make repeatable, accurate cuts on wood, PVC, or aluminum profiles. - On-site adjustments during renovations: quickly position and clamp profiles to ensure exact alignment and tight joints.