Features: 
Condition:100% Brand New

Metal  Round collar
- Inside Diameter: 12cm (15 inches in circumference)
- Material: Chrome Steel
- Round Section, very comfortable to wear
- Presented in an elegant velvet carrying pouch.
- Supplied with the Allen key. 

Metal "M" collar
Material: metal, exquisite manual polishing, fine workmanship
Size: 
Female Style:Inner Diameter 12cm,width 2cm,thickness 0.5cm
Male Style:Inner Diameter 14cm,width 2cm,thickness 0.5cm

stainless steel collar
Male size:  
-Neck diameter：13.8cm 
-Neck girth：42.4cm  
Female size:  
-Neck diameter：11.6cm  
-Neck girth：37cm  

Press Lock Steel Collar:
Size as picture shows
How to open the press lock?
Insert the key and turn the key 90 degrees clockwise, then turn it back. The lock will open
Note: Never turn the key 180 degrees, otherwise it will not be used.

Discreet packing
Note：please allow the error due to the manual measure