We ve done the research and compiled a list of the best window locks on the market to help you find the right ones for your home.
													
																	Vinyl window flip lock. 
									
	
		
	
																	Prime line u 9809 sliding window lock for vinyl windows easy installation to keep windows securely closed white diecast construction pack of 2 4 2 out of 5 stars 1 603 7 94 7. 
																	For pricing and availability. 
																	For heavier duty locks see item no s u 9800 u 9802 u 11127 u 11128 u 9810 or u 9812. 
																	Most windows come with standard locks but if you have little ones at home or if you want to beef up your security a secondary window lock is a smart investment. 
															
													
									
	
		
	
																	For non marring locks see no s u 9820 u 9821 u 10876 and u 10551. 
																	Prime line manufactures and supplies the best window hardware throughout the nation. 
																	Visit prime line for quality sash locks and residential horizontal sliding window hardware. 
																	For vinyl windows use u 9809 or u 10547. 
															
													
									
	
		
	
																	Finish by tightening thumbscrew with pliers to securely lock windows in closed or ventilating positions. 
																	Twenty locks per bulk package. 
																	Find sliding window sash locks at lowe s today. 
																	Very popular secondary latch for vinyl windows. 
															
													
									
	
		
	
																	It can also be positioned to allow the window to be left open a couple of inches for ventilation. 
																	The crl white nylon flip lock mounts onto bottom sill of sliding windows to act as a secondary security latch.