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Window Wind Hook Latch Adjustable Limiter Stay Stopper Casement Lock Restrictor

Premium Adjustable Window Safety Stay • Secure 4-Screw Fixing • Smooth Ventilation Control

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Enhance Home Safety & Control Ventilation Effortlessly

Improve window safety and ventilation control across your home or office with this premium adjustable window restrictor latch. Intelligently engineered to limit how far a casement window can open, this versatile UPVC window stay offers a simple, practical, and dependable solution for managing air circulation while protecting your property.

Tired of windows slamming shut or catching harsh gusts? The integrated wind brace stay position stopper dramatically reduces unwanted frame movement in windy weather. Featuring a reinforced 4-screw fixing base, this safety window catch ensures a firmer, more reliable mount than standard 2-screw alternatives.

Whether you need an effective casement window opening limiter for child safety, pet boundary control, or everyday draught regulation, this white window wind hook stay stopper blends seamlessly into your window frames while delivering outstanding performance.

◆ Key Product Highlights ◆

Performance & Durability

  • Adjustable Restrictor Positions: Multiple hook settings allow tailored airflow control.
  • Upgraded 4-Screw Fixing: Enhanced base stability prevents loosening over time.
  • Heavy-Duty Construction: High-grade plastic & metal components built for long-term use.
  • Wind Resistance: Secures open casements, stopping sudden blowing or slamming.
  • Firm Hook Latch Mechanism: Creates a solid lock connection between window and frame.
  • Clean White Finish: Designed to match standard white UPVC and timber frames seamlessly.

Compatibility & Design

  • Wide Compatibility: Works on UPVC, wooden, aluminum, and hinged casement windows.
  • Compact Low-Profile: Space-saving design maintains neat aesthetics when fitted.
  • Quick Straightforward Fitting: Simple surface-mounted screw installation for DIYers.
  • Versatile Application: Ideal for home, bedroom, office, bathroom, and kitchen windows.
  • Complete Fixings Included: Comes supplied with 4 matching screws ready to install.
  • Smooth Manual Adjustment: Easily latch and unlatch settings in seconds.

Why Choose This Window Safety Limiter?

✔ Peace of Mind Ventilation: Leave windows open for fresh air without worrying about sudden weather shifts swinging them wide open.

✔ Upgraded Security & Safety: Helps prevent children or pets from opening casement windows too far unattended.

✔ Prevents Frame Damage: Protects hinges, handles, and glass frames from impact stress caused by wind gusts.

✔ Multi-Stage Opening: Select the exact opening width you need—from a narrow trickle-vent gap to wider airflow.

✔ Cost-Effective Home Upgrade: An affordable DIY security enhancement that installs in minutes using basic hand tools.

✔ Durable Material Blend: Combines tough, weather-resistant plastic with strong metal components for daily use.

✔ Discreet Aesthetics: Low-profile white styling ensures the catch blends seamlessly into modern UPVC frames.

Suitable Applications & Environments

Application Type Compatibility Details
Casement Windows Ideal for side-hung or top-hung opening outward casement designs.
UPVC Window Frames Matches standard white UPVC profiles perfectly for a clean look.
Home & Bedrooms Provides overnight fresh air flow while maintaining restricted opening safety.
Office & Workspaces Controls drafty working environments and prevents windows slamming on paperwork.
Hinged Frame Units Fits wooden, aluminum, or composite hinged window frame configurations.

Technical Specifications

Product Type Window Restrictor / Stay Hook Latch
Material Composition Durable Plastic & Heavy-Duty Metal Components
Colour White
Restrictor Stay Length Approx. 106mm
Base Dimensions Approx. 63mm (Length) × 46mm (Width)
Hook Width Approx. 14mm
Fixing Screw Size Approx. 4mm × 16mm (4 Screws Included)
Mounting Type 4-Point Surface Screw Fixing
Item Weight Approx. 48g per set

Package Includes

  • ✔ 1 × Window Restrictor Stay / Hook Latch Set
  • ✔ 4 × Fixing Screws (4 × 16mm)

Important Buyer Information

  • Please double-check your frame dimensions, mounting space, and window compatibility prior to buying.
  • Ensure screws are securely installed into a sturdy frame surface to guarantee maximum hold.
  • Slight dimensional variations (1–3mm) may exist due to manual measurements.

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