... 85mm (2)Backset: 20,25,30,35mm (3)Forend Length: 240mm (4)Forend Width: 20mm Euro Profile Mortise Sashlock Case For Alu ... Profile Door: *Centre: 85mm*Backset: 20mm,25mm,30mm,35mm*Forend Length: 240mm*Forend Width: 20mm*Follower: 8x8mm by steel zinc plated *Solid ... with easily reversible mechanism*Fixing with nickle plated screws Backset Forend Surface Art. No. 20mm Rectangular SSS 11.520.0120mm ...