• Strength tested

    Can hold a force of 3,600 newtons, or 58 stone

  • Strong cable

    High tensile stainless steel cable

  • Secure

    Permanently fixed solution for total peace of mind

About the Perma by Jackloc Cable Window Restrictor

The Perma by Jackloc is an incredibly strong Window Security Cable. It provides security from intruders and safety from falls for both homes and commercial settings.

The Jackloc Perma keyless window restrictor doesn’t have a key to over-ride the opening restriction, instead it’s permanently fixed which prevents tampering and accidental release. The result is unrivalled window security while still allowing windows to be opened to allow in fresh air without the risk of falls and intruders.

This type of window security device is suitable for most windows. It can be fitted to uPVC, Timber and Aluminium frames. The strength in the Perma by Jackloc window restrictor comes from the high tensile stainless steel cable and security screws. In testing, the product is proven to hold a force of 3,600 newtons, which is the equivalent of 58 stone.

The Perma by Jackloc keyless Cable Window Restrictor comes with grade four security screws to help keep homes safe and help to prevent burglary. It is available in white, black, anthracite grey and brown colour options.

Jackloc window restrictors far exceed required standards and are designed, manufactured and tested in the UK.

Read more about our testing standards here  

View more options

View Pro-Twist Keyless Window Restrictor

Testing & Approvals

  • BS EN 13126-5:2011 Exceeded pass marks for opening, mechanical load, percussion, impact and cutting tests to force of 3,600 newtons.

Perma by Jackloc Cable Window Restrictor

£14.06

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Bulk Order

If you're looking to place a commercial order or buy in large quantities please enquire below for a tailored quote.

Quantity (max. 12)
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Quantity

If you're looking to place a commercial order or buy in large quantities please enquire below for a tailored quote.

UK and Ireland deliveries take between 1 - 5 days. For purchases outside of the UK and Ireland, please contact us for a full quotation.

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Commercial or bulk order?

If you're looking to place a commercial order or buy in large quantities please enquire below for a tailored quote.

Enquire

For commercial/bulk or special purchase product orders Contact Us, call the sales team on 01455 220 616 or request a call-back.

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Jackloc® Commercial Use

Explore
  • Strong

    Strength tested to withstand a force of up to 74 stone

  • Made in the UK

    Designed, engineered, manufactured and tested in the UK

  • Award winning

    Winner of Queen's Award for Enterprise: Innovation

Jackloc® For the home

Explore
  • Strong

    Can withstand a force of 74 stone

  • Secure

    Made with reinforced steel parts to keep intruders out

  • Made in Britain

    Designed, manufactured and built in the UK

Why Jackloc®

  • Quality driven

    We abide by quality to produce the strongest restrictors in the market

  • Market-leaders

    Window restrictors are our pure focus

  • Proven

    Our restrictors are individually tested to exceed regulations

  • Award-winning

    We have won many awards including the Queen's Award for Innovation and Enterprise