2.5 in Black Diamond Zinc Alloy Door Lock - PZS3K
In Stock
Arrives in 8–15 business days (USA)
- In the box: 1 door lock, installation instructions
- Warranty: 1-year manufacturer's defect warranty · details
- Ships from Niagara Falls, New York
- In business since 2008
- ★★★★★ 4.5/5 from 75,193 customer reviews across our products
Overall Rating (2 reviews)
4/5
Design: 3.5 · Size: 4 · Color: 4 · Price: 4.5
★★★★★ 4.5/5
Worth the price
Veronica R. · New York, NY · Jan 8, 2026 · 10:25 PM
Design 4 · Size 5 · Color 4 · Price 5
Cheaper than the big box stores asked for a similar lock. Highly recommend.
★★★★☆ 3.5/5 ✓ Verified Buyer
Plainer than expected
Sarah L. · Trois-Rivieres, QC · Nov 12, 2025 · 2:04 PM
Design 3 · Size 3 · Color 4 · Price 4
Price was right for the quality. Looks ok, just simpler than I hoped. A bit bigger than I pictured - check the measurements before ordering.
View or print a PDF with full product specifications.
View or print a PDF with step-by-step DIY installation instructions and drawings.
Quality control approved in Canada. Each box on your order is physically opened-up and inspected to make sure only the highest quality product is shipped. We take and store photos of every single quality audit of every single order we ship. You can see them when you track your order on our website. This product is not a group of multiple products but a unique SKU. It features a diamond shape. This door lock is designed to be installed as a door door lock. It is constructed with zinc alloy. This door lock comes with a matte finish in Black color.
Features:
- THIS PRODUCT INCLUDE(S): 1x door lock in black color.
- This passage door knob comes with a latch included, but it does not have a locking mechanism, making it perfect for hallway or closet doors.
- It features heavy-duty construction with a gorgeous round diamond-shaped glass knob and classic black durable rosettes.
- The adjustable latch is included and can fit both 2-38 or 2-34 backset measurements.
- It is suitable for doors with thicknesses ranging from 1-38 to 1-34.
- The rosette diameter measures 2.5 inches, while the knob diameter is 2.4 inches.
- This door knob allows for easy replacement installation, suitable for both left or right-hand orientation, and can be installed using a phillips screwdriver with instructions included.
- Features a diamond shape with a modern style.
- Designed for door installation.
- DIY installation instructions are included in the box.
- Crafted from zinc alloy.
- Available in black with black hardware accents.
- 2.5-in. width (left to right).
- 2.3-in. depth (front to back).
- 0.04-in. height (bottom to top).
- All dimensions are nominal.
- Typically ships within 5 days.
- Quality control approved in North America.
- Each box on your order is physically opened and inspected to ensure only the highest quality product is shipped.
- We photograph every quality audit for every order — view them when you track your order on our website.
In Stock
Arrives in 8–15 business days (USA)
- In the box: 1 door lock, installation instructions
- Warranty: 1-year manufacturer's defect warranty · details
- Ships from Niagara Falls, New York
- In business since 2008
- ★★★★★ 4.5/5 from 75,193 customer reviews across our products
| Product ID | PZS3K |
|---|---|
| Product Type | Door Lock |
| Shape | Diamond |
| Install Type | Door |
| Width Group | 0-in. - 9-in. |
| Material | Zinc Alloy |
| Color | Black |
Questions & Answers 7
Ask a questionAnswered by the Warm Bath Tiles team. Fit, installation, what is in the box - ask anything.
Frequently asked about this product
Q
How fast will it arrive, and is shipping free?
Frequently asked
A
Shipping is free to Canada and the mainland United States. In-stock orders leave our warehouse within 1 business day. Delivery takes 1-5 business days in Canada and 3-10 business days in the United States once it ships, by courier with tracking.
Warm Bath Tiles team
Q
Will I pay duties or customs on a cross-border order?
Frequently asked
A
No. We are the shipper of record, so any customs duties or import fees on a cross-border order are paid by us - nothing extra is charged at delivery.
Warm Bath Tiles team
Q
Is there a warranty?
Frequently asked
A
Yes - every product comes with a 1-year manufacturer's defect warranty, from the date it is delivered. If a manufacturing defect shows up, contact us with your order number and photos and we will send a part, replace the item or refund it. The full Warranty Policy is on our Legal page (Warranty Policy).
Warm Bath Tiles team
Q
Is it in stock right now?
Frequently asked
A
Yes - it is in stock at our warehouse and ships within 1 business day. The stock count on this page is live.
Warm Bath Tiles team
Q
Can I see the installation sheet or cut-out template before I order?
Frequently asked
A
Yes. Send us the product code through live chat or the Contact Us page and we will email the installation sheet and template drawing so you can check the fit before you buy.
Warm Bath Tiles team
Q
Can I return it if it does not fit or I change my mind?
Frequently asked
A
Yes, within 30 days of delivery, as long as it is new, uninstalled and in the original packaging. For a change of mind a 35% restocking fee applies and the buyer pays the return shipping. Damaged, defective, wrong or missing items are replaced or refunded with no fee and free return shipping - inspect the box at delivery and send us photos within 24 hours. Check the cut-out template against your cabinet and countertop before cutting; a sink that has been installed cannot be returned.
Warm Bath Tiles team
Q
Do you offer contractor or trade pricing?
Frequently asked
A
Yes. Contractors, builders, architects, designers and other trade professionals get NET pricing through a Trade Pro account. Sign in or apply on our Dealer Login page, or ask us through live chat.
Warm Bath Tiles team
Ask a question about this product
We reply by email within one business day and publish the answer here for other shoppers. Only your first name, last initial and city are shown.
