521 Mortice fock for wooden door with adjustable roller

Specifications:

• Roller adjustable by screw on the forend
• Key operated bolt

Features:

• Forend 23mm with square edge
• Centre to centre 85mm
• DIN holes on cylinder 
• Backsets 20-60mm
• Flat strike plate included
• Painted steel finish
• Fixing screws for lock, strike plate and cylinder included