Product Review

Material: Chrome-Steel , Color:silver
This Neck Collar With Ring is about 4mm thick and 20mm wide, 140mm internal diameter and about 17 inch in circumference. It is lockable and openable with a steel thread
The collars lock with a small built in Allen screw that can be locked and unlocked using the included tool
Great customer service is available. If you have any question, welcome to contact us.