Brand Ref (10200604219) - Glass clamp mod. 20, for 6mm glass thickness, Zamak, stainl. st. look for tube 42,4mm, Brand Ref (10200804219) - Glass clamp mod. 20, for 8mm glass thickness, Zamak, stainl. st. look for tube 42,4mm, Material:Zinc = Zamak, Finish:Raw