Euro Locks - Determining Your Lock Size

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As long as you have a key to open the door then it is fairly straightforward to check the size of and change your Euro Lock.

To determine your lock size for a Euro Cylinder lock put your key in the lock and open the door, then from the side of the door, remove the screw which is below the latch. Turn the key until you can feel the lock moving, as you turn the key the central section will line up with the rest of the lock and you will then be able to slide the lock out.

With each cylinder having two halves, you should measure from the edge of the cylinder to the centre of the fixing hole on both halves to determine which size you will require.

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