Brand Ref (13200703312) - Glass clamp mod. 20, laminated glass 6,76mm, stainless steel 304 satined, for tube 33,7mm, Brand Ref (13200603312) - Glass clamp mod. 20, for 6mm glass thickness, stainless steel 304 satined, for tube 33,7mm, Brand Ref (13200803312) - Glass clamp mod. 20, for 8mm glass thickness, stainless steel 304 satined, for tube 33,7mm, Material:304 Grade (V2A) Stainless Steel, Finish:Satin Stainless