There is nothing particularly unique about it as it operates on the same principle as any regular door lock does with a slight upgrade to work on sliding windows continue reading.
Double hung vinyl window security locks.
Heavy duty die cast construction with baked on white enamel finish.
Keyed sash lock keyed sash locks are available to fit most double hung windows.
It just keeps the window closed.
Defender security double hung wood window flip lock if you ve ever tried to overpower a doorstop you probably know that a wedge puts up a strong defense against direct force.
Item 206894 model f 2588.
A folding lock for a double hung window can be unlocked and folded to one side so the sash can be raised.
The vise like grip holds securely and will not mar the inside rame.
Defender security u 9929 double hung wood window flip lock 1 in.
Used on many double hung wood windows.
Simply remove the old lock fill the screw holes drill new fastener holes and install the unit.
X 7 16 in steel antique brass 2 pack 4 0 out of 5 stars 98 6 76 6.
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When the wedge is in place the window will only rise as far as the wedge.
Heavy duty die cast construction with baked on white enamel finish.
Product overview this is a vinyl window security lock that has an adjustable jaw that will fit all vinyl frame rails that are 1 16 in.
The latch is generally not designed to be extremely secure.
The defender flip lock s simple wedge design gives you tough security that you can lock and unlock with ease.
Used on many double hung.
Prime line vinyl sliding window sash lock.
Compare click to add item prime line 1 3 16 white die cast vinyl window lock to the compare list add to list click to add item prime line 1 3 16 white die cast vinyl window lock to your list sku 4311560.
The problem is that the crescent latch is easily jimmied open by inserting a knife or other flat tool.
A hinged wedge lock nails in the window track of a double hung window.
Prime line f 2646 sash lock moving on to another type of window security sash locks are designed with both sliding and regular hinged windows in mind.
A double hung window has two panes of glass one above the other and are often secured with a crescent latch.
When the wedge is swung out of the way the window opens freely to any height.
Choose a position for the wedge that lets you open the window enough to get fresh air.