Material: 316 Stainless Steel.

Size: As pictures shown.

One set includes: 1*cage,1* ring,1*pin,1*build-in lock and 2*keys.

Net Weight:Small Cage Set:365-400g/Large Cage Set:435-470g.

Don't forget to check the size carefully

before the purchasing!

Note: "40mm", "45mm", and "50mm" are only codes used to distinguish the three sizes of rings, and do not refer to their actual sizes. If you want to know the actual size when you wear it, please refer to the picture in the duct description,or you can contact us before purchasing.