Built Tough Swing Bar Lock For Hinged Doors With Secondary Security And Child Safe Ventilation Three And Seven Eighths Inch Bar Diecast Zinc Construction Classic Bronze Finish Easy Install Prime-Line U 10309

1-Pack Heavy-Duty Swing Bar Door Lock for Safety
✔️ 3-7/8 in bar length, 2-1/2 in height; zinc diecast, bronze finish

This door bar lock is a compact security device designed for hinged swing-in doors. It lets you open the door just enough to see outside and vent a room, while still preventing forced entry. The kit includes installation fasteners and 2 plastic shim spacers for offset jambs, and the zinc diecast construction with a bronze finish ensures durability in daily use.

✅ 1-pack security swing bar lock for hinged swing-in doors
✅ 3-7/8 in bar length and 2-1/2 in height
✅ Zinc diecast construction with a classic bronze finish
✅ Includes installation fasteners and 2 plastic shim spacers
✅ Quick, easy installation for DIY setups

💡 What is a door swing bar lock used for in homes and offices?

It's handy for securing doors while letting you view or vent the room.

- Provides a safe partial opening to check visitors or let air in - Handy for apartments and offices to reduce accidental door openings - Easy to install with included hardware for quick setup