Brand Ref (13679004212) - Connector for U-channel tube, 42,4mm, stainless steel AISI 304 satined, Brand Ref (13679004812) - Connector, 48,3mm, stainless steel AISI 304 satined, Brand Ref (13679006012) - Connector, 60,3mm, stainless steel AISI 304 satined, Material:304 Grade (V2A) Stainless Steel, Finish:Satin Stainless