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Which One to Buy?

Measurement and Details

Before you place order, please double confirm the cylinder type and sizes as below

Euro Profile Cylinders

1. Your cylinder must be a Standard European cylinder, with the standard sizes as below:

2. Here is the shape of the lock cylinder can be installed with our Welock, smart lock.

3. The measurements of our Euro profile cylinder:

30mm (inside)/ 40mm (outside)
Adjustable spindles for inside and outside position.
Adjustable range:
Outside part: Min 40mm, Max 60mm
Inside part: Min 30mm, Max 60mm

Euro Profile Cylinders

1. Your cylinder must be a USA deadbolt cylinder, with the standard sizes as below

2. Here is the shape of the lock cylinder can be installed with our Welock, smart lock.