The UNION C-Series 3K74E BS 5 Lever Sashlock features a robust 5-lever mechanism that meets BS EN 3621 standards. Designed for both left and right-handed doors, it includes a 20mm deadbolt and a roller bolt for smooth locking action. Manufactured in the UK, this lock offers anti-drill, anti-pick, and anti-saw protection and carries a 25-year guarantee. Ideal for 60-minute timber fire doors, it provides reliable security and durability. Keyed alike or keyed differently options are available, with key cutting and workshop services on request.