Description
LuckyLocks AD is the inventor and manufacturer of the Classic series.
Metem 3+3 Classic Decoder Tool
The Metem 3+3 Russian Locks Decoder is a professional manual tool built for fast and precise work. It handles double-bit Metem 3+3 locks with six levers arranged in a 3+3 layout.
By using the self-impressioning method, you open the lock quickly and without damage with the Metem 3+3 Russian locks. At the same time, you can read the key code—no disassembly needed.
What the kit includes?
- 2 x SOFT keys - with Pins Durable
- 1 x Tension tool
- 6 additional pins (spare parts)
- Transport box
How does it work?
The Metem 3+3 Russian locks mimics the internal bitting of the original key. As you rotate and adjust, the Soft Keys adapt in real time inside the lock. Therefore, you achieve accurate and repeatable decoding with each use.
Step-by-Step Usage Instructions
1. First, Insert the Tension Tool
Begin by inserting the tension tool into the lock. Align it with the lock tongue (the notch). This step applies torque, just like turning a real key.
2. Next, Insert the First Soft Key
From the opposite side of the tension tool, insert the first Soft Key. It matches the original Metem key in size and shape. Meanwhile, its movable pins respond immediately to the internal levers.
3. Then, Rotate and Shake
While maintaining light tension, rotate the Soft Key 90°. At the same time, gently shake both the Soft Key and the tension tool. This motion allows the pins to align with the lock’s inner configuration.
4. After That, Complete the First Turn
Once the pins find their positions, the Soft Key turns freely. This confirms the first half of the key profile.
5. Now, Insert the Second Soft Key
Repeat the process using the second Soft Key. This step completes the second half of the profile.
6. Finally, Unlock the Lock
With both sides decoded, you now hold a complete double-bit key. Use it to unlock and relock the Metem 3×3 as easily as the original key.
Important note
We do not act as an official dealer for the locks our locksmith tools open. Furthermore, we maintain no affiliation with the manufacturers of those locks.
All brand names and trademarks on this page belong to their rightful owners. We include them solely for identification purposes.
This product page clearly presents the mechanism and proper use of the Classic Decoder from LuckyLocks AD. Specifically, LuckyLocks AD designs, patents, and sells this product exclusively. As such, the company retains all legal rights.
In addition, any other items or visuals shown on this page exist for illustrative purposes only. These items do not reflect the actual product for sale. Therefore, we do not associate them publicly or connect them in any way to the decoder featured here.

