The grooves which are already partially cut in in the shank are there to help you.
													
																	Replace yale front door lock. 
									
	
		
	
																	The yale pro sl is a key free touchscreen deadbolt with z wave plus built in offered through our pro channels. 
																	Replacing door locks you ll pay from 40 to 300 to buy a new door lock depending on design materials and whether it s a simple key in knob lock or a high end lock and handle combo with smart. 
																	Together we ve made a tamper proof key free deadbolt that connects to the nest app. 
																	Designed for the home. 
															
													
									
	
		
	
																	Yale knows secure locks. 
																	With a variety of different functions and finishes we know you ll be able to find a double deadbolt that matches your current or replacement door hardware. 
																	Nest x yale lock. 
																	Nest knows the connected home. 
															
													
									
	
		
	
																	Take a new barrel or cylinder from the packet and lay it alongside the one you have just taken out. 
																	Double deadbolt yale s double deadbolts are compatible with all their other leversets and knobsets so that you can install enjoy a finished look on your door.