Yale Doormaster Gearbox HOOK YS170 - Split Spindle

Yale Doormaster Replacement Gearboxes are designed especially for professional installers. Addressing several common causes of lock failure, the range suits many of the most popular models on the market, including locks from Yale, Lockmaster, GU, and Mila.

Overview:

• Euro Profile Lock Case
• Latch & Hookbolt
• Split spindle

Specification:

• Backset - 35mm or 45mm
• Centres - 92 mm
• Case width: 60mm

Operation:

• Lift lever to engage locking mechanisms and then one full turn of the cylinder to lock. One full turn of the key then push down on the lever to unlock