10mm hexagon hardened steel chain with a protective sleeve. Steel casting technology ensures a seamless lock body with no welding, and a stainless steel key barrel adds extra strength.
Features:
- 150cm in length.
- Chain locks directly into the lock body.
- Auto alarm system.
- Alarm function on/off selection.
- Built-in 120dB alarm system.
- Alarm protected by zinc alloy body.
- 3 keys supplied.
- CR2 lithium battery.