About the DEAD LOCK
No need handle and latch
Deadbolt thrown or retracted by key outside or thumbturn inside.
And where u need to install a DEADLOCK in a room
u can see this house .
About the specification or the template ,if any buyer can not confirm what size of the lock you need ,pls contact with us : info@top-sin.com. Our engineer will contact with you for sharing all experience and will make sure that you can get the match items .
