Can this be used for a king size mattress

I wouldn't know, I used it for a full size

where are the instructions for these ?

Had to go online to figure them out, THEN had to have a handyman do it, THEN they weren't strong enough to hold up my 5th-wheel bed to access storage underneath. Much waste of time and money.

I purchased one of these but need stronger pneumatics, as the bed is heavier than expected. Can I purchase just a heavier piston? If so, where?

The bed that I built is quite heavy and it supports me for my needs. What I did add was a cap so that it does not go down alone. You can search for these more consistently as these in particular are good.

Is the 30 kg rating the capacity of each strut or the pair of struts together?

It came as a pair. However, I would not recommend these. They arrived with no instructions and would not install properly on my RV queen bed. I ended up with struts on each side instead.

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Dyna-Living 4.6FT Hydraulic Bed Lift Mechanism 286.6-319.7LBS Load Capacity | Platform Bed Lift Mechanism Gas Spring RV Bed Lift Kit, Heavy Duty Hydraulic Lift Bed for King Size, Queen Bed, Storage Box

Product ID: 536907780

Details

Material
High-quality
Product Dimensions
55.12"W x
Size
Special Feature
Adjustable
Style
Modern

💪286.6-319.7 lbs load capacity

📏4.6FT/140cm queen size fit

⚙️High-quality pneumatic gas spring

$332.21

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Description

🛏️ Elevate your space with effortless strength and sleek storage!

BUILT TO LAST - Crafted from thickened cold-rolled steel with rust-resistant finish for enduring durability.
HEAVY DUTY STRENGTH - Supports up to 319.7 lbs effortlessly, built for your heaviest mattresses and sofas.
EASY DIY INSTALLATION - Comes with screws and simple setup—upgrade your storage space without hassle.
PERFECT QUEEN SIZE FIT - Designed specifically for 4.6FT/140cm beds, ensuring seamless integration with your storage or sofa bed.
SMOOTH SILENT OPERATION - Advanced gas spring tech with mute buffer for whisper-quiet lifting and closing.

The Dyna-Living 4.6FT Bed Lift Mechanism combines robust cold-rolled steel construction with a high-capacity pneumatic gas spring, supporting up to 319.7 lbs. Designed for queen-size beds and sofas, it offers smooth, silent lifting and easy installation, transforming your furniture into a modern storage powerhouse.

Specifications

ASIN	B0BTLBWXVG
Assembly Instructions Description	No assembly instructions included
Best Sellers Rank	#430,723 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #263 in Bed Replacement Parts
Brand Name	Dyna-Living
Color	Black
Compatible With Mattress Size	Queen Size
Customer Reviews	4.2 out of 5 stars 62 Reviews
Finish Types	Painted
Form Factor	Bed Lift Mechanism
Furniture Finish	Black
Headboard Material	High-quality Cold Rolled Steel
Included Components	Screws
Item Depth	5 inches
Item Dimensions	55.2 x 55.12 x 55.12 inches
Item Dimensions L x W x H	55.12"W x 55.12"H
Manufacturer	Dyna-Living
Manufacturer Part Number	BI0TOP06844
Material	High-quality Cold Rolled Steel
Material Type	High-quality Cold Rolled Steel
Maximum Weight Recommendation	120 Kilograms
Model Number	BI0TOP06844
Other Special Features of the Product	Adjustable, Storage
Product Care Instructions	Dry Clean Only
Product Dimensions	55.12"W x 55.12"H
Required Assembly	Yes
Size	286.6LBS/4.6FT
Special Feature	Adjustable, Storage
Storage Options	Under-bed storage
Style	Modern
Style Name	Modern
Target Audience	Adults with heavy furniture or mobility needs
Unit Count	1.0 Count

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$332.21

Duties & taxes included

In stock

Sold byAmazon USADelivered 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 USA.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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The delivery time was excellent, and the packaging was secure.

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