... *Advanced facilities & professional *All finish upon request *Durable High Security Mortise Lock L0534Dependable construction,elegant and durable.Recommended for entrance doors and ... '' (35mm to 50mm) thickness.Different backset for your choose:40mm, 45mm, 50mm, 55mm, 60mmCentre to centre dia:65mm, 70mm, 72mm, 85mmFinishes ... , G/G, N/SB, PVD are available High Security Euro-Mortise Lock L0534