- Material and durability: Made from a high-quality aluminum alloy, these handles deliver long life and reliable performance for extended use. - Surface protection: The smooth finish helps protect window and door surfaces from abrasion, helping to preserve frames over time. - Ergonomic and easy to use: Ergonomic handle design with a simple press to release the locking mechanism for convenient operation. - Compatibility and applications: Suitable for a wide range of interior and exterior doors and windows, including casement windows, inward-opening casement windows, sash windows, and skylights. - Safety and reliability: A dependable accessory that enhances window and home safety through quick, reliable operation. Use scenarios: - Residential use: Install on living room or bedroom windows to enable easy ventilation while maintaining safety and protection of frame surfaces. - Commercial and institutional use: Replace worn handles on office or school doors and windows to reduce maintenance and ensure dependable operation. - Renovation and upgrades: Use in upgrading hardware on various openings to improve ease of use and surface protection without changing existing frames.