... stainless steel Satin or mirror Size 200mm stainless steel point fixed spider Material:all the routels and spiders are made of ... stainless steel except the some special type seriesmade of aluminium. A.nd the base of connectors are ... ,150mm,160mm,200mm,210mm,220mm,250mm,300mm etc.Specification:each type have the 4 arms,3 arms,2 arms 90degree,2 ...