The Sovereign knobs are a part of the Castella Heritage Collection.
 
Crystal: Transparent / Clear
 
Sizing:
Diameter: 25mm - Projection: 35mm
Diameter: 30mm - Projection: 43mm
 
Material: Swarovski Lead Crystal Glass & Zinc Alloy
 
Fix: Rear Fix
 
Screws: Included
 
Collection: Heritage
 
Brand: Castella