Specifications :
1. Neck ring up to 35 mm
2. Made from engineering plastic ABS
Features :
1. Prevent accesses to the main cylinder valve
2. Easy and efficient installation to save your time
3. Lock with one padlock, lock shackle diameter up to 11 mm
4. Can be locked with 2 padlock, lock shackle diameter up to 8.5 mm
5. Accommodate neck ring up to 35 mm, and max diameter inside 83 mm