TONYON general lock bicycle lock 4-bit code lock bicycle lock lock lock without frame

Product name: TY4271 four-digit password lock
[brand] Tonyon(general purpose)
ABS material. Shear resistant steel cable
Size: 12 mm in diameter and 800 mm in length
Paper card packaging
[product description]

Both ends are durable, strong and durable, and reliable. No keys, adjustable password, more convenient to use;
The plastic shell of the project is non-cracking at low temperature and non-deformation at high temperature.
Ending steel cable and leather tube, non-toxic and tasteless, in accordance with national and eu environmental standards and requirements;

[usage]
The password opens the lock
2. Rotate the built-in knob
3. Set a new password (original password 0000)

4. Just turn back the built-in knob