Interior Door Lock Key Knob Handle Set Kitchen Bedroom

Enhance your interior space with the TT11 Matte Black Interior Door Lock Set, a premium mechanical lever handle system designed for modern residential and commercial interiors. Featuring a sleek matte black finish with elegant silver accents, this contemporary lock set combines minimalist aesthetics with reliable security and smooth daily operation.

Crafted from durable aluminum alloy with precision-engineered internal components, the TT11 door handle delivers long-lasting performance, silent functionality, and a sophisticated architectural appearance suitable for bedrooms, bathrooms, kitchens, offices, and other interior wooden doors.

Modern Interior Door Lock System
Designed for privacy and security, the TT11 lock set combines a smooth lever handle with a mechanical sash lock mechanism, offering both latch and key-lock functionality for interior spaces.

Perfect for:
Bedrooms
Bathrooms
Kitchens
Home offices
Apartments
Commercial interior rooms

Premium Aluminum Alloy Construction
Built with high-grade aluminum alloy for enhanced durability and long-term reliability.

Benefits:
Scratch-resistant matte coating
Resistant to fingerprints and daily wear
Rust-resistant for indoor use
Lightweight yet sturdy construction
The premium multi-layer finish helps prevent peeling, fading, and surface damage over time.

Silent & Smooth Operation
Engineered with a quiet mortise mechanism and smooth internal spring system to minimize noise during operation.

Features:
Soft closing action
Reduced metallic clicking sounds
Smooth handle movement
Comfortable daily use
Ideal for bedrooms, nurseries, offices, and quiet environments.

Ergonomic Lever Handle Design
The flat horizontal lever provides a comfortable grip with natural hand positioning for easy opening and closing.

Design Advantages:
Minimalist rectangular backplate
Modern architectural styling
Comfortable flat-edge grip
Sleek matte black appearance with silver detailing

Complements:
Modern interiors
Industrial décor
Minimalist spaces
Contemporary homes

Product Specifications
Product Model TT11
Color Matte Black with Silver Accents
Material Aluminum Alloy
Handle Type Lever Handle
Lock Type Mechanical Sash Lock
Backplate Length 217 mm
Handle to Keyhole Distance 170 mm
Mortise Body Depth 125 mm
Backset / Tongue Distance 60 mm
Lock Core Center Distance 50 mm
Compatible Door Thickness 15–19 mm
Door Compatibility Wooden Interior Doors

Security & Locking Functionality
The TT11 lock system includes:
Mechanical key locking system
Durable cylinder mechanism
Smooth latch operation
Secure privacy locking for interior rooms

Internal Components:
Brass cylinder core
Hardened steel mechanical gears
Reinforced latch mechanism

These components provide long-term durability and reliable locking performance.

Complete Package Includes
Interior & exterior handle panels
Mortise lock body
Mechanical lock cylinder
Keys
Strike plate
Mounting screws and accessories
Installation components
Everything required for installation is included in the package.

How to Use
1. Opening the Door
Press the lever handle downward to retract the latch.
Push or pull the door open smoothly.

2. Locking the Door
Insert the key into the cylinder.
Turn the key clockwise or counterclockwise to lock the mechanism.

3. Unlocking the Door
Insert the key into the lock cylinder.
Rotate the key until the latch unlocks.
Press the handle to open the door.

Installation Guide
Suitable For:
Wooden interior doors
Bedroom doors
Bathroom doors
Kitchen doors
Office interior doors

Basic Installation Steps:
Measure and prepare the door cutout.
Install the mortise lock body inside the door edge.
Align both handle plates.
Secure using the included screws.
Insert and test the lock cylinder and keys.
Professional installation is recommended for best results.

Care & Maintenance
Cleaning
Wipe regularly using a soft dry cloth.
For deeper cleaning, use a slightly damp microfiber cloth.

Avoid
Harsh chemicals
Abrasive cleaners
Excessive moisture exposure

Maintenance Tips
Periodically tighten screws if necessary.
Lubricate the lock cylinder occasionally using lock lubricant.
Avoid slamming the door to extend latch life.

Why Choose the TT11 Door Lock Set?
Elegant matte black modern design
Durable aluminum alloy construction
Quiet and smooth operation
Comfortable ergonomic grip
Reliable mechanical locking system
Ideal for residential and commercial interiors
Easy compatibility with wooden doors
Complete installation kit included

Perfect for Modern Interior Spaces
The TT11 Matte Black Door Handle Lock Set delivers the perfect balance of style, comfort, durability, and everyday functionality—making it an excellent choice for upgrading modern interior doors with a clean and sophisticated finish.
 

Notice:
Please check the size before purchasing.
If you find any problem with our products, please feel free to contact us by email, we will solve the problem as soon as possible.

Important Notes
Size Disclaimer: Slight measurement variations may occur due to manual production.

 

Colour Disclaimer: Lighting effects, screen settings, or perception differences may create slight colour variations in the actual product.

Customer Support
For inquiries, assistance, or after-sales service, please contact:
laststopsupermart@gmail.com
Our support team responds within 24 hours.

We take pride in our craftsmanship and value your feedback deeply. Your comments help us continually improve and deliver exceptional products.

Package Content: 1 x Interior Door Lock Key Knob Handle Set Kitchen Bedroom