Probrico Black Door Knobs Interior Privacy Locksets - Matte Black Set

In this review of the Probrico Black Door Knobs Interior set, the bottom line is simple: this 6-pack is aimed at homeowners and installers who want a consistent, modern look across multiple interior doors with a dependable privacy function. The single biggest reason to consider these knobs is their combination of stainless steel construction and a matte black finish that looks high-end while remaining easy to clean. The set balances visual style and practical features, making it a solid choice for bedrooms and bathrooms where privacy and appearance both matter.

Key Features

• Stainless steel construction: Offers durable, corrosion-resistant hardware that holds up to repeated use in interior spaces.
• Matte black finish: Provides a modern, low-gloss look that resists fingerprints and complements contemporary decor.
• Privacy lock function: Allows simple locking from the inside with an emergency release for quick access when needed.
• Adjustable latch: Supports a 60mm or 70mm backset so the set fits most standard interior doors without extra parts.
• Door thickness compatibility: Designed to install on doors 35 to 45 mm (1-3/8' to 1-3/4') thick, covering common interior door sizes.
• Complete hardware included: Ships with the accessories needed for installation so DIYers can fit the knobs quickly.

Who It's For

The Probrico Black Door Knobs Interior set is best for homeowners renovating multiple rooms who want a uniform matte black look and a privacy option for bedrooms and bathrooms. It also suits contractors or landlords refitting rental properties where a 6-pack speeds up completing several doors at once.

Those who need heavy-duty commercial locks, keyed exterior security, or specialized sizes outside the 35 to 45 mm door thickness range should look elsewhere. Also, buyers who require very small or ultra-mini knobs may find this set a bit larger than expected based on some customer comments.

Pros & Cons

Pros

• Attractive matte black finish that stays clean-looking and matches modern interiors.
• Solid stainless steel build gives a sense of quality and long-term durability.
• Privacy turn lock with emergency release adds convenience and safety for interior rooms.
• Adjustable latch and included hardware simplify installation across common backsets.

Cons

• Some buyers report mixed experiences with the locking mechanism and occasional fit issues, so final assembly should be checked during install.
• A few customers found the knob size larger than expected, which may not suit every decor style.

Specifications

Material	Stainless steel
Finish	Matte black
Function	Privacy (turn lock with emergency release)
Backset	Adjustable: 60 mm or 70 mm (2-3/8' or 2-3/4')
Door thickness	35 to 45 mm (1-3/8' to 1-3/4')
Pack size	6 pack
Includes	All necessary accessories for installation

Our Verdict

The Probrico matte black privacy door knobs offer strong value for anyone fitting multiple interior doors who wants a cohesive, contemporary look and a usable privacy lock. They combine stainless steel durability, an adjustable latch, and straightforward installation, making them a practical choice for most homes; buyers should verify knob size and test the lock mechanism during installation to ensure the set meets expectations.

Frequently Asked Questions

Will these knobs fit my standard interior door?
Yes - they support door thicknesses from 35 to 45 mm (1-3/8' to 1-3/4') and adjustable backsets of 60 mm or 70 mm.

Is the lock easy to release in an emergency?
Yes - the privacy function includes an emergency release so the lock can be opened quickly from the outside when necessary.

Are all installation parts included?
Yes - the set includes the necessary accessories, so installation can be completed without additional parts in most cases.