2 Pcs Door Flush Bolts - Concealed Security Door Locks for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish,6 inches,F27005 - Walmart.com
Door Flush Bolt - 6 Inch Concealed Security Door Lock for French Doors, Composite Doors, Wood Doors, Double Doors, Dummy Doors, 304 Stainless Steel 2 Pcs - Amazon.com
Goldenwarm Stainless Steel Concealed Security French Door Locks with Hardwares Metal Flush Latch Bolts
Push-Pull Zinc Alloy Security Door Locks Window Flush Bolts Concealed Latch Bolt - China Door Flush Bolt, Zinc Alloy Window Bolt | Made-in-China.com
Door Flush Bolt –6" Stainless Steel Flush Bolt,Concealed Security Door Lock, Concealed Slide Lock Bolt,Lever Action Flush Bolt for French Doors,Composite Doors,Wood Doors(2 Pcs) (Bronze) - Amazon.com
Door Security Bolt
2 Pcs Stainless Steel Concealed Security Door Slidebolt Lock - 15 * 1.6 * 2cm Anti-corrosion Hidden Door Latch with Screws for Home and Office Doors | Fruugo NO
Stainless Steel concealed Door Bolt 4 inch 6 inch 8 inch Bathroom Door Bolt Hidden Security Guard Sliding Door Lock 2pcs - AliExpress
Sumnacon 2Pcs Door Flush Bolts - 8 Inch Concealed Security Door Locks for French Doors,Composite Doors,Wood Doors,Double Doors,Dummy Doors,Brush Stainless Steel Finish - Amazon.com
How to install security bolt - YouTube
Yale P-M444-CH Door Security Bolt, Chrome Finish, Standard Security, Visi Packed, Suitable for hinged and Wooden Doors - Door Hardware - Amazon.com