Material:  stainless steel 

Size:
A110
Ring Size :40MM/45mm/50MM . 

The maximum diameter of dilators :10mm, It`s total length : about 105mm
ZC059:
Material: 304 grade stainless steel food hygiene 

Ring Size :40mm/45mm/50mm.
 
The maximum diameter of dilators :8mm, It's total length : about 150mm 

It's  effective length :about 135mm. no through-hole.


Its material is fine stainless steel.This item is made entirely by hand soldering.No chrome plating and No nickel Just hand-polished plating.