Outdoor Deck Box Gas Struts Pair – 350mm 200N – Heavy Duty Lid Support – 4x L Brackets
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Upgrade your outdoor storage with a controlled, safe and reliable lid lifting system. This 350mm 200N gas strut pair is engineered specifically for deck boxes, garden storage boxes and outdoor cushion chests that require smooth assisted opening and stable hold-open performance.
📏 Technical Specifications
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Force Rating: 200N per strut (400N total support per pair)
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Extended Length: 350mm
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Stroke Length: 135mm
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End Fitting: 10mm Ball Socket (M6 threaded ball studs)
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Bracket Type: 4x Heavy-Duty L Brackets Included
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Supply: Matched Pair (Left & Right installation)
Recommended Lid Depth: 450–700mm (hinge to front edge)
Suitable Lid Weight: 20–36kg (lid only, when using two struts)
🌿 Designed for Outdoor Storage Systems
This configuration is tailored for outdoor deck boxes and garden storage units where larger lids require extended travel distance and smooth, controlled movement.
- Wider and deeper lid designs
- Front-loaded storage chests
- Wind-exposed outdoor installations
- Storage units holding cushions, tools or garden accessories
The 200N rating provides balanced lift assistance — preventing sudden drops while maintaining controlled and natural opening behaviour.
🔩 4x L Bracket Mounting System
This kit includes four reinforced 90° L brackets, offering:
- Improved mounting stability inside plastic or composite deck boxes
- Better alignment for deeper lid frames
- Increased structural strength compared to flat bracket-only systems
- Secure load distribution across mounting points
Recommended for outdoor storage boxes with internal ribbing, moulded plastic frames or reinforced timber structures.
🛠 Installation Positioning Guide
- Install one strut on each side of the lid
- Mount approximately 25% down from the hinge on the lid panel
- Position lower bracket 90–140mm below the top inside frame (depending on box depth)
- Ensure slight compression when fully closed for correct preload tension
Correct geometry is essential for optimal lifting performance. Improper placement may reduce lifting efficiency.
⚠ Choosing the Correct Strength
- If your lid weighs less than 20kg → 200N may feel too strong
- If your lid exceeds 36kg → consider 300N or 400N options
- If your lid depth exceeds 700mm → consider a longer or higher-force configuration
Always calculate lid weight without contents. This rating applies to the lid panel only.
🛡 Safety & User Experience Benefits
- Prevents sudden lid drop due to wind or accidental release
- Keeps lid securely open while accessing contents
- Reduces stress on hinges and mounting screws
- Improves long-term durability of outdoor storage systems
🏡 Ideal Applications
- Plastic deck boxes
- Garden cushion storage chests
- Outdoor patio storage trunks
- Composite or timber garden storage units
🇬🇧 AUTORCE Outdoor Performance Standard
- Quality tested for reliable lift performance
- Fast UK dispatch
- 30-day returns on unused items
- UK-based support team
Enhance your outdoor storage with extended-reach, controlled and professional-grade lid support. Order today and upgrade your deck box performance.
