Lockmaster Millenco uPVC Gearbox Door Lock Hook Night Latch 45mm Backset – Mila Anti-Lift Hook Door Lock Refurbishment Kit

What’s Included?

• 1 x Central gearbox with latch & hookbolt
• 2 x Hook cases (opposing direction)
• 1 x T20 Torx bit
• 7 x M4.0 Grub Screws

Restore the functionality and security of your multipoint locking system with this high-quality Lockmaster / Millenco replacement gearbox. Designed for use with Yale Lockmaster mechanisms, this unit offers a reliable fix for common door lock failures—whether at the central gearbox or with the top/bottom hook cases.

Main Centre Gearbox Features:

• Backset: 45mm – suitable for most uPVC and composite doors
• PZ Centres: 92mm/62mm – fits standard lever/lever and lever/pad handle configurations
• Case Size: 208mm (length) x 61mm (width)
• Common Fix: Replaces the frequently failing centre case without changing the entire locking strip

Top or Bottom Anti-Lift Hook Gearbox Features:

• Flexible Placement: Can be installed at either the top or bottom of the door mechanism
• Anti-Lift Security: Integrated hook and bolt provide additional protection against forced entry

This replacement setup is ideal for anyone looking to refurbish a faulty or insecure Yale Lockmaster system with a simple, cost-effective solution.