- Durable aluminium alloy construction provides long service life and reliable performance under repeated use. - Smooth handle surface protects window and door frame surfaces from abrasion, helping to maintain appearance and reduce wear. - Ergonomic design with an easy to use button to release the locking mechanism for convenient operation. - Versatile compatibility for home, office, school and other indoor and outdoor doors and windows; suitable for casement windows, interior casement windows, hanging windows, skylights and similar configurations. - Use scenarios: - Replacing worn handles on residential casement windows to improve safety and ease of operation. - Upgrading office or school windows to enhance smooth operation and protect frame surfaces. - Installing on skylights or hanging windows for quick access and secure locking.