The BS 3621 ERA Retro Lock Case Sash Lock – Case Only 63mm is a reliable and secure replacement lock body built to meet BS 3621 insurance and fire safety standards. Designed for durability and strength, this sash lock case is perfect for smaller doors requiring a compact 63mm case size. Ideal for residential or commercial use, it ensures dependable performance and compliance with security requirements when only the lock case needs replacement.
Manufactured from robust materials, the ERA Retro sash lock case delivers long-lasting protection and smooth operation. Its case-only design makes it a cost-effective and practical solution for refurbishments, upgrades, or repairs, while still maintaining compatibility with existing hardware. Offering the trusted quality of ERA combined with BS certification, this sash lock case is a smart choice for maintaining strong and professional-grade door security.

















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