Installing A Deadbolt: A How-To Guide – Forbes Home
Door Lock,Thick Slide Barrel Door Bolt Latch Heavy Duty Gate Lock Security Guard Hardware for Bedrooms/Bathrooms/Cupboards/Pet Gate and Storage Units(3.5 * 1.1 inches) - Amazon.com
Slide Bolt Latches Door Latch | Latch Bolt Securing Doors | Door Latch Bolt Stainless - Door Bolts - Aliexpress