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Strength tested
Can hold a force of up to 3,600 newtons
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Removable cable
Cable can be removed when not in use
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Secure
Two five disc locking barrels to prevent tampering
About the Pro-5 Duo Key Lockable Window Safety Lock
The Pro-5 Duo by Jackloc Window Safety Lock is a key locking window cable restrictor. It provides security against entry through windows and safety against falls, while still allowing the window to be opened up to 100mm.
The double locking system allows for the cable to removed from either side, or removed completely when not required.
The restrictor can fit most window and door sizes and types, including uPVC, Timber and Aluminium.
The Pro-5 Duo window safety lock is incredibly strong and suitable for domestic and commercial settings. It has a reinforced cable, security screws and heavy-weight body. Each Jackloc product is individually tested in the manufacturing process to hold a force of 3,600 newtons, exceeding all relevant standard requirements. The product comes with four hardened and zinc coated grade four security screws to prevent falls and help keep homes safe.
The key allows the window to be fully opened if required.
- Standard cable length of 200mm
- Patented five-disc locking barrel
- Supplied with 1 x Key and 4 x security screws
- Fitting instructions
All Jackloc products are tested to the highest standards and have won many awards.
Take a look at our full range of window safety locks
Sonja –
Purchased 2 Jackloc pro duos to ensure my upstairs windows are safe for my grandson have not fitted them as yet. Website is easy to navigate, communication good and swift delivery 😊
Gaynor –
I feel far safer with this added on my patio doors.
Mark Fletcher –
Donna at Jackloc quickly sorted out a non-standard order for me for two Pro5 Duos. She was VERY helpful and the order was made at 1pm one day and received at 11am the next day. Superb customer service and a superb product. Thank you Donna.