WINDOW LATCH REPLACEMENT – Use this window latch to replace or upgrade sash window locks on single and double hung vinyl windows STRONG AND DURABLE – This window sash lock is constructed from diecast and comes finished in white; mounting hardware included CAM ACTION HOOK - Features a cam action latch hook which draws the window lock keeper tight when locked SECURE SASH LOCK – The body of the window lock latch has anti-jimmy studs which engage the sash window latch keeper IMPORTANT - Take note of the distance between the center of each of the mounting holes and the distance from those holes to the front of the body where the lock mounts on your window NOTE - Please refer to the line art drawing for all dimensions and compare to your needs before purchasing (Not Universal)