Prodecoder Automatic- Juwel 4x4 "Chiave Bulgara"
Juwel 4×4 chiave bulgara is a professional locksmith decoder. It will open fast and with not damage Juwel 4×4 new and old locks.
This “Chiave bulgara” (Bulgarian pick) works on an automatic self impressioning way. It is very fast and causes no damage on the Juwel 4×4 lock. With Juwel chiave bulgara you can read the code. As a result, after you open the lock, you can make a duplicate key.
The good option here is that the decoder includes universal reading card. With this card you can “mirror” the code from the first turn directly to the second turn. This way you will save time and effort. Also you will keep your decoder in perfect working condition for longer time, without having to change the pins. The other good use of this card is that you can make e mechanical key straight away.
- Do not rush the tool into 90 degrees (as explained in the video)
- Use Low- Medium tension
- Pump to the 1st stop point, unless in anti-picking, otherwise you risk over pumping
After we ship it, the decoder is ready for work. Because of that, you don’t need to further arrange the tool or any of its components. All you need to do is watch the video instructions and learn carefully the opening procedure. Important factor is how you insert it and the tension you are giving. Always keep in mind that this is NOT a force tool
The tool will lift each each lever (plate) of the Double Bit Locks to a specific height in order for the locking bolt to move. Another key point is how easy you can repair any broken or twisted pin – just pull out the broken one and replace it with one of the spare pins provided in your kit.

- Prodecoder Automatic Juwel 4x4 for the new Juwel Locks
- Universal card reader
- Reset tool
- Tester key
- 8 additional pins (spare parts)
- Durable Transport box

Juwel 4x4 Locks with Prodecoder Automatic - How it works Briefly
When you insert the Prodecoder Automatic Juwel 4×4 inside the lock, it allows the shape of the original key to be reconstructed. After that, the the pins take the original “shape” of the key, the lock will open.
Shipping handling information
Every decoder has a unique Serial Number. Shipping is done with DHL. Cost of shipping for EU countries – 30 EUR. Worldwide is – 40 EUR.
David Kogan (verified owner) –
Markus Wagner (verified owner) –
Perfect