Material: zinc alloy,iron
It is not a high-quality material and is not recommended for long-term wear as a cock ring. It is only recommended as a size measuring ring.
Sold by set,1 set contain 4 rings(4 sizes,1 ring for each size)You need to fill the sizes you want in the text box when place order.For example,40,42.5,45,47.5mm.
Ring thickness is various,vary from 5mm-10mm,all is to offer as much as different inner diameter ring. Thickness is not its point.
Available inner diameter of steel ring is 24,26,28,30,32,35,38,40, 42.5, 45, 47,5, 50, 52.5, 55,58,60,64,68,70,74,78,80,84,88,94mm.
This various size ring can be used as sizing ring for customer who want to custom a chastity cage but not sure which size would be the best.Rather than spending much money to custom a unperfect chastity cage,spending a little money to buy some different sizes cock ring before cage customization,this would be a better solution.
No better way to get your base ring size than try different ring pysicially.