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How to measure a upvc lock

 

How to identify your lock in 4 easy steps!

1, Is there a manufacturers name stamped on the lock strip? Example  Avocet / GU / Winkhaus etc

2, What is measurement across from front of lock to centre of were cylinder fits into gearbox, 30mm , 35mm, 40mm , 45mm

3, What is measurement from centre of were spindle fits in to top of were cylinder fits  usually  92mm

4, What locking points are there on the strip? ,  2 Hooks and 2 Rollers

Not too sure then come on one of our locksmith courses and you will learn all about locks

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