• Strength tested

    Can hold a force of 3,600 newtons

  • Strong cable

    Reinforced and woven zinc cable for strength

  • Secure

    Patented five-disc locking barrel

About the Pro-5 by Jackloc Key-Locking Cable Window Restrictor

The Pro-5 by Jackloc is a key locking cable window restrictor. It provides great versatility in domestic and commercial environments. The restrictor can fit most window sizes and types, including uPVC, Timber and Aluminum frames.

The lockable key provides flexibility to allow the window to be fully opened when required and to be restricted to 100mm opening when needed.

The Pro-5 by Jackloc key-locking cable window restrictor is incredibly strong, with a reinforced cable, security screws and heavy-weight body.

The restrictor is tested to withstand a force of 3,600 newtons, exceeding all relevant standard requirements. The product comes with hardened and zinc coated grade four security screws to help keep homes safe and is also available in a range of bespoke RAL colours.

Take a look at our full range of window restrictors 

Fitting instuctions for the Pro-5 by Jackloc Key-Locking Cable Window Restrictor

Testing & Approvals

  • BS EN14351-1:2006 Exceeded pass result on uPVC, wood, aluminium and steel windows.
  • BS EN13126-5:2011 Achieved pass tests for mechanical load, impact, percussion and cutting tests for a force of 3,600 newtons.
  • UKAS BS 6375:2 1987 Exceeded force tests by 100 - 400%.
  • UKAS Salt Spray Test Tested in accordance with ASTM B117-07 and evaluated to BS EN 1670:2007

Pro-5 by Jackloc Key-Locking Cable Window Restrictor

(1 customer review)

From £20.35

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

1 review for Pro-5 by Jackloc Key-Locking Cable Window Restrictor

  1. R Hodskinson

    A huge thank you to Jackloc®️ MD Eric Collins and the team.

    I have previously purchased Jackloc®️Pro 5 window locks. The locks are solid, secure, safe and will end window that’s fitted with a Jackloc®️ makes it impossible for the window to open more than that pre-set by the restrictor.

    I had a spare window lock, and I recently came to fit it, but unfortunately I had misplaced the special security screws that are needed to secure the Jackloc®️and restrictor.

    I emailed the company, and without any questions, a complete new set of screws were posted out to me.

    Jackloc®️, as a company clearly have their Customers interests at the centre of its business.

    Thank you Eric, and the team for first class Customer support. Your 5 ***** are well earned.

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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.

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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