Stagnant Channel Invisible Lock Tube Well Lock Background Invisible Door Lo

ITEM NAME:Stagnant Channel Invisible Lock Tube Well Lock Background Invisible Door Lo D6S4 Stagnant Channel Invisible Lock Tube Well Lock Background Invisible Door Lo D6S4 Lock, anti-theft technology, c-level security Features of the cylinder, Groove, Pure Brass, Key Blade, The mutual opening rate is basically zero. Prevent theft, rally, sawing, anti-drill, four properties. Colour:Silver Material:Zinc Alloy Suitable door thickness: 35mm-50mm Package Contents: 1*Door lock(with key) Note: this lock, one side with a key, the other side without a key, thanks