Description
Brand New  
SIZE:  

Material: 304 grade stainless steel food hygiene   
Ring Size :40mm/45mm/50mm.
A:  
The maximum diameter of dilators :8mm, It's total length : about 150mm   
It's  effective length :about 135   mm. no through-hole.
B:
The maximum diameter of dilators :10mm, It's total length : about 105mm 
One brass lock .  

More details ,please refer to product picture .