Sliding Window Lock, 1/4 in., Extruded Aluminum, White Painted Finish (2-pack)

A:  Thank you for your inquiry regarding this item from Prime-Line Products. The turn screw is 1/4" with 20 threads per inch x 3/4"L.

A:  Not a clue, this gadget works GREAT FOR WHAT IS SAID IT WILL DO

A:  Idk. Small window locks. 

A:  Thank you for your inquiry regarding this item from Prime-Line Products. This is for a window and are smaller than ones for a patio door. Please review item # U 9805 or # U 10547.

A:  I am using on windows that slide side to side. Locks work perfectly. As to using on your windows, I'd have to say no. You need a lock that screws into the frame.

A:  These were great for all my windows.

A:  Yes, they will work for up/down windows. You screw them pretty tight onto the window frame & they will stop the window from opening any further than where you set them.

A:  Thank you for your inquiry regarding this item from Prime-Line Products. This lock was designed to work on a horizontal window frame. It may work on your storm window depending on if the frame can accept the lock. Not all vertical sliding window have a type of frame to allow this. This is way there was no direct answer given. You can contact the manufacturer directly with your questions regarding this item, or any other product manufactured by Prime-Line Products by calling their toll free number at (877) 649-9740, or by contacting them by email at info@primeline.net.

A:  Yes, you can remove it with the included thumb screw.

A:  Thank you for your inquiry regarding this item from Prime-Line Products. Yes, the thumbscrew that come with item allow you to take it off and put it on. For faster service, be sure to take advantage of the CHAT option located in the lower right-hand corner of your screen, where you can quickly connect to a representative for assistance. Otherwise, you can contact the manufacturer directly with your questions regarding this item, or any other product manufactured by Prime-Line Products by calling their toll free number at (877) 649-9740, or by contacting them by email at prodtech@primeline.net.