Probrico Privacy Door Knobs Lock Interior Round Ball Antique Brass

In this review the Probrico Privacy Door Knobs Lock is evaluated as a solid, budget-friendly option for interior bedroom and bathroom doors; it stands out because it combines an oil-rubbed antique brass look with a simple keyless privacy lock that is easy to install. The package of five round ball knobs is aimed at homeowners or renovators replacing multiple interior knobs, and the main reason to buy is the combination of sturdy stainless steel construction and ANSI Grade 3 durability that promises long service life for everyday use.

Key Features

• Material: Stainless steel construction provides corrosion resistance and a durable feel that holds up to regular use.
• Privacy locking: The keyless turn-button lock is designed for bedrooms and bathrooms, offering a simple way to secure a private space without keys.
• Adjustable latch: Latch accepts 60mm (2-3/8 in) or 70mm (2-3/4 in) backset, which fits common interior door preparations for easier installation.
• Door thickness compatibility: Fits doors 35 to 45 mm (1-3/8 in to 1-3/4 in) thick so it works with most standard interior doors in homes.
• ANSI Grade 3: Conforms to ANSI Grade 3 standards, exceeding 200,000 cycles and using a 5-pin brass tumbler for reliable everyday security.
• Complete kit: Each pack includes selected knobs, mounting screws, and installation instructions so installers have the basic parts needed to fit multiple doors.

Who It's For

This set is best for homeowners, landlords, or contractors who need multiple matching privacy knobs for bedrooms and bathrooms and who value an antique brass finish with modern stainless steel durability. It is also a good fit for those doing a full room refresh who want a consistent look across several doors without buying single units repeatedly.

Those who need keyed entry locks, specialty security features, or a removable latch plate should look elsewhere, and anyone installing on nonstandard or very old doors should verify the square, nonremovable latch plate and the stated door thickness before purchasing.

Pros & Cons

Pros

• Good build quality and sturdy stainless steel parts that feel solid in daily use.
• Attractive antique brass finish that matches traditional and transitional interiors.
• Easy installation with included screws and instructions and compatibility with common backsets.
• Value pack of five is economical for multiple doors in a home or rental property.

Cons

• Some users report mixed behavior from the lock mechanism, including opposite direction operation or inconsistent locking.
• The latch plate is square and not removable, which can require extra routing on certain door frames or strike plates.

Specifications

Brand	Probrico
Material	Stainless Steel
Color/Finish	Antique Brass
Lock type	Privacy keyless turn-button
Backset	60mm (2-3/8 in) or 70mm (2-3/4 in)
Door thickness	35 to 45 mm (1-3/8 in to 1-3/4 in)
Standards	ANSI Grade 3, 5-pin brass tumbler

Our Verdict

The Probrico Privacy Door Knobs Lock is a practical, cost-effective choice for upgrading multiple interior doors where a keyed lock is not required. Its stainless steel build, ANSI Grade 3 rating, and included hardware make it a strong value for bedrooms and bathrooms, though buyers should be aware of occasional variability in the lock mechanism and the nonremovable square latch plate when planning installation.

Frequently Asked Questions

Does this set include everything needed to install on a standard interior door?
The package includes selected knobs, mounting screws, and installation instructions; it fits standard doors 35 to 45 mm thick and common 60mm or 70mm backsets.

Is a key required to lock these knobs?
No, these are privacy knobs with a keyless turn-button lock intended for bedrooms and bathrooms.

Will the latch plate work with any door frame?
Note that the latch plate is square and not removable, so some door frames or strike plates may need minor routing or adjustment for a flush fit.