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Jackloc Key-Locking Cable Window Restrictor (Pro-5)

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 high tensile stainless steel 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.

Fitting Video

  • 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
SKU JackLock Lockable Window Restrictor (Pro-5) Category


Delivery Information:
Tracked 48 (Despatched generally within 1-2 days)
– from £3.95*
Tracked 24 (Despatched generally within 1-2 days) – from £5.95*
* Prices vary depending on location and product sizes.

Click & Collect – from Middlesbrough, TS3 8AN.
Despatch Times & Restricted Items.

Orders dispatched generally within 24/48 hours (Mon-Fri Unless Stated Otherwise)

Monday 7:30 AM to 5:00 PM
Tuesday 7:30 AM to 5:00 PM
Wednesday 7:30 AM to 5:00 PM
Thursday 7:30 AM to 5:00 PM
Friday 7:30 AM to 5:00 PM
Saturday 8:00 AM to 4:00 PM
Sundays Closed
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Jackloc Key-Locking Cable Window Restrictor (Pro-5)

Discontined Products

The product is no longer available and has been set to “Discontinued”.

We will no longer be receiving stock of this item. Please contact us using the “Got a question” button on the product page for an alternative option.

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Contact Form

We endeavour to respond to all enquiries within 4-6 hours (during working hours) however on some occasions this may take a little longer.

Due to length & size restrictions with our delivery partners, we are currently only able to deliver certain items to the following postal areas:

  • All TS postcodes
  • All NE Postcodes
  • All DL Postcodes
  • All DH Postcodes
  • All SR Postcodes

We are looking into increasing our postcode range gradually with our own fleet of vehicles.
Should you not want to opt for a delivery service, please be aware Click and Collect is still available on all of our items.

We aim to despatch all of our orders within 24-48 hours of order confirmation, during peak times or bank holidays this despatch time can occasionally be increased.

Should you have any queries regarding this please don’t hesitate to call our sales team on 01642 455945.


We aim to reply to you either via email or phone within 24 hours Monday to Friday.