what is the space between the steel slats?

About 5". If you are concerned because there is space between the slats and it isn't solid, I use this bunkie board with a cheap foam mattress and haven't had any issues (daily use).

Can this be use with bed frame that doesn't use a box spring

Yes, that is why I bought the frame. Got rid of the box spring

Same at me.... bought it when $99 , missed delivery, then price when up 119. Oder it again, will update and send a complaint if I won’t receive it again

Can this replace cheap wooden slats on a wooden queen platform bed that already has a steel center beam installed?

I am using this on a fairly inexpensive wooden queen bed frame that has a "lip" on each side board. The Bunkie board is flat & provides good support for a soft mattress (like memory foam). If the steel center beam you mentioned is not elevated above the rest of the mattress support area such that the Bunkie board "rocks," it should work fine.

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ZINUS Queen Quick Lock Bunkie Board, Box Spring & Bed Slat Replacement, Metal Frame with Steel Slats, Easy Assembly

Product ID: 44204043

Details

Brand
Zinus
Color
Black
Material
Alloy Steel
Size
Queen
Style
Traditional

📏Slim 1.6-inch profile fits tight spaces

🛏️Supports up to 700 lbs mattress weight

🛠️Quick Lock assembly in minutes

NZ$679

Duties & taxes included

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Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🛏️ Lock in comfort and style with Zinus Quick Lock Bunkie Board!

SPACE SAVVY SLIM DESIGN - Sleek 1.6-inch thickness perfect for low-profile beds and tight spaces like stairs or hallways.
TRUSTED 5 YEAR WARRANTY - Sleep easy with a worry-free 5-year limited warranty backing your investment.
PREMIUM STEEL DURABILITY - Robust alloy steel frame engineered to support up to 700 lbs with unwavering strength.
EFFORTLESS QUICK LOCK ASSEMBLY - Set up your foundation in minutes, no hassle, no tools.
UNIVERSAL MATTRESS COMPATIBILITY - Optimized support for spring, hybrid, and memory foam mattresses—upgrade your sleep experience.

The Zinus Queen Quick Lock Bunkie Board is a sleek, sturdy steel foundation designed for easy assembly and long-lasting mattress support. Its slim 1.6-inch profile fits perfectly in compact spaces, supporting up to 700 lbs and compatible with spring, hybrid, and memory foam mattresses. Backed by a 5-year warranty, it’s the smart upgrade for any modern bed frame setup.

Specifications

ASIN	B072HTRVM1
Additional Features	Sturdy
Best Sellers Rank	#144,271 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #725 in Bed Frames
Brand Name	Zinus
Color	Black
Customer Reviews	4.5 4.5 out of 5 stars (14,592)
Global Trade Identification Number	00841550204582
Included Components	Bunkie Board
Item Depth	79
Item Dimensions	79 x 59.5 x 1.6 inches
Item Dimensions L x W x Thickness	78.7"L x 59.5"W x 1.6"Th
Item Type Name	Bunkie Board
Item Weight	31 Pounds
Manufacturer	Zinus
Manufacturer Part Number	OLB-QLBKB-Q
Material Type	Alloy Steel
Maximum Weight Recommendation	700 Pounds
Model Number	OLB-QLBKB-Q
Number of Pieces	1
Product Care Instructions	Wipe with Dry Cloth
Required Assembly	Yes
Shape	Rectangular
Size	Queen
Style Name	Traditional
UPC	841550204582

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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NZ$679

Duties & taxes included

In stock

Sold byAmazon New ZealandDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to New Zealand.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Abdullah B.

Great price for an authentic product. Fast international shipping too!

3 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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