Extremely durable with an exceptionally smooth, non-porous surface.
One set includes: 1*Cage;4* Ring(Not include 55cm Ring),1*Magic Lock
[Nub] Cage Length: 55mm (2.17 inches tube)
[Nano] Cage Length: 65mm (2.56 inches tube)
[Small] Cage Length: 85mm (3.35 inches tube)
[Standard] Cage Length: 95mm (3.74 inches tube)
[Maxi] Cage Length: 105mm (4.13 inches tube)
