Ceramic Rings of all kinds of Size for sale:
(outside diameter*inside diameter*height)
Φ100*Φ90*12
Φ90*Φ82*12
Φ65*Φ58*12
Φ70*Φ62*12
Φ80*Φ70*12
Special size Rings can be customized,such as :
Φ170*Φ160*12
Φ235*Φ225*12
Φ165*Φ155*16