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- Jimmy Proof Security Design
- Surface-Mounted Installation
- Single & Double Cylinder Options
- Fits 1-1/4"–2-1/4" Doors
- Complete Lock Set with Keys
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Free shipping on all orders.
✔ SHIPS FAST FROM U.S.
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✔ EASY RETURNS & WARRANTY
30-day returns + 2-year coverage.
Select your function
Jimmy Proof Deadbolt Night Latch for Entry Door Security
Add an extra layer of security to your entry door with the SENY Jimmy Proof Deadbolt Night Latch. Its surface-mounted design provides a strong locking point without requiring a traditional mortised deadbolt installation.
Available in Single Cylinder and Double Cylinder options, this lock is designed for residential entry doors, replacement projects, and supplemental door security.
Jimmy Proof Security Design
The interlocking lock body and strike help resist separation when the door is closed, creating a secure connection between the door and frame.
- Surface-mounted security design
- Interlocking lock and strike
- Strong metal construction
- Designed for residential entry doors
A practical choice for replacing an existing jimmy proof lock or adding supplemental security.

Function Information
Choose the cylinder configuration that best fits your door.
Single Cylinder
- Key operated from the exterior
- Thumb turn operated from the interior
- Convenient key-free locking and unlocking from inside
Recommended for most residential applications.
Double Cylinder
- Key operated from the exterior
- Key operated from the interior
- Key required on both sides of the door
Important: Double-cylinder locks may be restricted by local building or fire codes because a key is required for interior exit. Check local requirements before installation.
Surface-Mounted Installation
Unlike a conventional deadbolt that installs inside the door edge, this jimmy proof lock mounts directly to the interior surface of the door.
- Fits door thicknesses 1-1/4"–2-1/4" (32–57 mm)
- Suitable for compatible wood and metal doors
- Works with left- or right-handed door configurations
- Installation hardware included
Please compare the dimensions and mounting requirements with your existing door before ordering.
Complete Lock Set
Each set includes the components needed for installation:
- Jimmy proof deadbolt lock
- Rim cylinder
- Strike
- Keys
- Mounting plate
- Fasteners
- Installation hardware
Cylinder components vary depending on the Single or Double Cylinder option selected.
Product Dimensions
- Overall Length: 4.30" (10.9 cm)
- Overall Height: 2.83" (7.2 cm)
- Body Thickness: 0.98" (2.5 cm)
- Door Thickness: 1-1/4"–2-1/4" (32–57 mm)
Please verify your door and existing lock dimensions before purchasing.
Finish Options
Available in:
- Matte Black
- Antique Brass
Both finishes coordinate easily with a range of traditional and modern entry door hardware.
Built for Everyday Security
Made with durable metal components for dependable everyday operation and long-term residential use.
- Strong surface-mounted housing
- Smooth locking action
- Durable finish
- Designed for frequent operation
- Backed by a 2-Year Warranty
Important Notes
- Designed for surface-mounted installation.
- Verify dimensions before ordering.
- Single Cylinder: key outside / thumb turn inside.
- Double Cylinder: key required on both sides.
- Check local codes before using a Double Cylinder lock on an egress door.
- California Proposition 65 Warning.
Styled for Real Homes
See It in Your Space
From entryways to bedrooms — a timeless upgrade in minutes.
FAQ
The Single Cylinder model uses a key on the outside and a thumb turn on the inside. The Double Cylinder model requires a key to unlock the door from both the exterior and interior sides.
The Single Cylinder version is the most common choice for residential front doors, offering convenient interior operation. The Double Cylinder version is preferred when keyed access is required from both sides for additional security.
Yes. This jimmy proof deadbolt is designed for surface-mounted installation on compatible entry doors.
Yes. Both lock functions include the required keys for operation.
Yes. Mounting hardware and installation components are included.
Shipping & Warranty
Yes. We offer free U.S. shipping on all orders.
We offer 30-day returns and a 2-year warranty for added peace of mind.












